71160161018090 has 32 divisors (see below), whose sum is σ = 130246717225680. Its totient is φ = 27984834086400.

The previous prime is 71160161018087. The next prime is 71160161018099. The reversal of 71160161018090 is 9081016106117.

It can be written as a sum of positive squares in 8 ways, for example, as 19200846043129 + 51959314974961 = 4381877^2 + 7208281^2 .

It is a super-2 number, since 2×71160161018090² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71160161018099) 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, 24907235 + ... + 27616854.

Almost surely, 2^{71160161018090} is an apocalyptic number.

71160161018090 is a deficient number, since it is larger than the sum of its proper divisors (59086556207590).

71160161018090 is a wasteful number, since it uses less digits than its factorization.

71160161018090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52526378.

The product of its (nonzero) digits is 18144, while the sum is 41.

The spelling of 71160161018090 in words is "seventy-one trillion, one hundred sixty billion, one hundred sixty-one million, eighteen thousand, ninety".