10161605553 has 16 divisors (see below), whose sum is σ = 14843964096. Its totient is φ = 6132112640.

The previous prime is 10161605533. The next prime is 10161605563. The reversal of 10161605553 is 35550616101.

It is not a de Polignac number, because 10161605553 - 2⁵ = 10161605521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (10161605533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 653100 + ... + 668477.

It is an arithmetic number, because the mean of its divisors is an integer number (927747756).

Almost surely, 2^10161605553 is an apocalyptic number.

It is an amenable number.

10161605553 is a deficient number, since it is larger than the sum of its proper divisors (4682358543).

10161605553 is a wasteful number, since it uses less digits than its factorization.

10161605553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321824.

The product of its (nonzero) digits is 13500, while the sum is 33.

The spelling of 10161605553 in words is "ten billion, one hundred sixty-one million, six hundred five thousand, five hundred fifty-three".