156116666061 has 32 divisors (see below), whose sum is σ = 239841189120. Its totient is φ = 100281644352.

The previous prime is 156116666047. The next prime is 156116666087. The reversal of 156116666061 is 160666611651.

It is not a de Polignac number, because 156116666061 - 2⁷ = 156116665933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 156116665998 and 156116666016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156116662061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 655710 + ... + 861503.

It is an arithmetic number, because the mean of its divisors is an integer number (7495037160).

Almost surely, 2^156116666061 is an apocalyptic number.

It is an amenable number.

156116666061 is a deficient number, since it is larger than the sum of its proper divisors (83724523059).

156116666061 is a wasteful number, since it uses less digits than its factorization.

156116666061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517362 (or 1517356 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 156116666061 in words is "one hundred fifty-six billion, one hundred sixteen million, six hundred sixty-six thousand, sixty-one".