28690053161 has 48 divisors (see below), whose sum is σ = 37394203392. Its totient is φ = 21755865600.

The previous prime is 28690053127. The next prime is 28690053163. The reversal of 28690053161 is 16135009682.

It is not a de Polignac number, because 28690053161 - 2⁶ = 28690053097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28690053163) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4582145 + ... + 4588401.

It is an arithmetic number, because the mean of its divisors is an integer number (779045904).

Almost surely, 2^28690053161 is an apocalyptic number.

It is an amenable number.

28690053161 is a deficient number, since it is larger than the sum of its proper divisors (8704150231).

28690053161 is a wasteful number, since it uses less digits than its factorization.

28690053161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6510 (or 6503 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 28690053161 in words is "twenty-eight billion, six hundred ninety million, fifty-three thousand, one hundred sixty-one".