10661516156 has 24 divisors (see below), whose sum is σ = 19329104256. Its totient is φ = 5140157760.

The previous prime is 10661516137. The next prime is 10661516161. The reversal of 10661516156 is 65161516601.

It is a super-2 number, since 2×10661516156² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120851 + ... + 189546.

It is an arithmetic number, because the mean of its divisors is an integer number (805379344).

Almost surely, 2^10661516156 is an apocalyptic number.

It is an amenable number.

10661516156 is a deficient number, since it is larger than the sum of its proper divisors (8667588100).

10661516156 is a wasteful number, since it uses less digits than its factorization.

10661516156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310709 (or 310707 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 10661516156 in words is "ten billion, six hundred sixty-one million, five hundred sixteen thousand, one hundred fifty-six".