10161857265 has 16 divisors (see below), whose sum is σ = 18581682048. Its totient is φ = 4645420416.

The previous prime is 10161857213. The next prime is 10161857273. The reversal of 10161857265 is 56275816101.

It is not a de Polignac number, because 10161857265 - 2¹¹ = 10161855217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48389692 + ... + 48389901.

It is an arithmetic number, because the mean of its divisors is an integer number (1161355128).

Almost surely, 2^10161857265 is an apocalyptic number.

10161857265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10161857265 is a deficient number, since it is larger than the sum of its proper divisors (8419824783).

10161857265 is an equidigital number, since it uses as much as digits as its factorization.

10161857265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96779608.

The product of its (nonzero) digits is 100800, while the sum is 42.

The spelling of 10161857265 in words is "ten billion, one hundred sixty-one million, eight hundred fifty-seven thousand, two hundred sixty-five".