156166212015711 has 12 divisors (see below), whose sum is σ = 225878658796440. Its totient is φ = 103969927345680.

The previous prime is 156166212015707. The next prime is 156166212015719. The reversal of 156166212015711 is 117510212661651.

156166212015711 is a `hidden beast` number, since 1 + 5 + 6 + 1 + 6 + 62 + 12 + 0 + 1 + 571 + 1 = 666.

It is not a de Polignac number, because 156166212015711 - 2² = 156166212015707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156166212015719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11740048380 + ... + 11740061681.

It is an arithmetic number, because the mean of its divisors is an integer number (18823221566370).

Almost surely, 2^{156166212015711} is an apocalyptic number.

156166212015711 is a deficient number, since it is larger than the sum of its proper divisors (69712446780729).

156166212015711 is a wasteful number, since it uses less digits than its factorization.

156166212015711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23480110806 (or 23480110803 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 45.

The spelling of 156166212015711 in words is "one hundred fifty-six trillion, one hundred sixty-six billion, two hundred twelve million, fifteen thousand, seven hundred eleven".