10918153973169 has 9 divisors (see below), whose sum is σ = 15770681168619. Its totient is φ = 7278762706920.

The previous prime is 10918153973149. The next prime is 10918153973179. The reversal of 10918153973169 is 96137935181901.

The square root of 10918153973169 is 3304263.

It is a perfect power (a square), and thus also a powerful number.

10918153973169 is a `hidden beast` number, since 1 + 0 + 9 + 1 + 8 + 1 + 539 + 7 + 31 + 69 = 666.

10918153973169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2955260113569 + 7962893859600 = 1719087^2 + 2821860^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 10918153973169 - 2¹¹ = 10918153971121 is a prime.

It is a super-2 number, since 2×10918153973169² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10918153973149) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9362079 + ... + 10463499.

Almost surely, 2^{10918153973169} is an apocalyptic number.

10918153973169 is the 3304263-rd square number.

10918153973169 is the 1652132-nd centered octagonal number.

It is an amenable number.

10918153973169 is a deficient number, since it is larger than the sum of its proper divisors (4852527195450).

10918153973169 is an frugal number, since it uses more digits than its factorization.

10918153973169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202848 (or 1101424 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 63.

The spelling of 10918153973169 in words is "ten trillion, nine hundred eighteen billion, one hundred fifty-three million, nine hundred seventy-three thousand, one hundred sixty-nine".