10015616161 has 4 divisors (see below), whose sum is σ = 10259899524. Its totient is φ = 9771332800.

The previous prime is 10015616159. The next prime is 10015616197. The reversal of 10015616161 is 16161651001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16161651001 = 17 ⋅950685353.

It can be written as a sum of positive squares in 2 ways, for example, as 269977761 + 9745638400 = 16431^2 + 98720^2 .

It is a cyclic number.

It is not a de Polignac number, because 10015616161 - 2¹ = 10015616159 is a prime.

It is a super-4 number, since 4×10015616161⁴ (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10015616561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122141620 + ... + 122141701.

It is an arithmetic number, because the mean of its divisors is an integer number (2564974881).

Almost surely, 2^10015616161 is an apocalyptic number.

It is an amenable number.

10015616161 is a deficient number, since it is larger than the sum of its proper divisors (244283363).

10015616161 is an equidigital number, since it uses as much as digits as its factorization.

10015616161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244283362.

The product of its (nonzero) digits is 1080, while the sum is 28.

The spelling of 10015616161 in words is "ten billion, fifteen million, six hundred sixteen thousand, one hundred sixty-one".