16253579061 has 6 divisors (see below), whose sum is σ = 23477391990. Its totient is φ = 10835719368.

The previous prime is 16253579039. The next prime is 16253579081. The reversal of 16253579061 is 16097535261.

16253579061 is a `hidden beast` number, since 16 + 2 + 5 + 3 + 579 + 0 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8263900836 + 7989678225 = 90906^2 + 89385^2 .

It is not a de Polignac number, because 16253579061 - 2⁵ = 16253579029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16253578998 and 16253579016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16253579021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 902976606 + ... + 902976623.

It is an arithmetic number, because the mean of its divisors is an integer number (3912898665).

Almost surely, 2^16253579061 is an apocalyptic number.

It is an amenable number.

16253579061 is a deficient number, since it is larger than the sum of its proper divisors (7223812929).

16253579061 is a wasteful number, since it uses less digits than its factorization.

16253579061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805953235 (or 1805953232 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The spelling of 16253579061 in words is "sixteen billion, two hundred fifty-three million, five hundred seventy-nine thousand, sixty-one".