71160657061 has 16 divisors (see below), whose sum is σ = 77443204608. Its totient is φ = 64994472000.

The previous prime is 71160657049. The next prime is 71160657107. The reversal of 71160657061 is 16075606117.

It is a cyclic number.

It is not a de Polignac number, because 71160657061 - 2⁷ = 71160656933 is a prime.

It is a super-2 number, since 2×71160657061² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71160657361) 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, 2119596 + ... + 2152906.

It is an arithmetic number, because the mean of its divisors is an integer number (4840200288).

Almost surely, 2^71160657061 is an apocalyptic number.

It is an amenable number.

71160657061 is a deficient number, since it is larger than the sum of its proper divisors (6282547547).

71160657061 is a wasteful number, since it uses less digits than its factorization.

71160657061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35052.

The product of its (nonzero) digits is 52920, while the sum is 40.

The spelling of 71160657061 in words is "seventy-one billion, one hundred sixty million, six hundred fifty-seven thousand, sixty-one".