156051615666012 has 192 divisors, whose sum is σ = 415240521486336. Its totient is φ = 45150829194240.

The previous prime is 156051615665929. The next prime is 156051615666061. The reversal of 156051615666012 is 210666516150651.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4163245023 + ... + 4163282505.

It is an arithmetic number, because the mean of its divisors is an integer number (2162711049408).

Almost surely, 2^{156051615666012} is an apocalyptic number.

156051615666012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156051615666012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207620260743168).

156051615666012 is an abundant number, since it is smaller than the sum of its proper divisors (259188905820324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156051615666012 is a wasteful number, since it uses less digits than its factorization.

156051615666012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39960 (or 39958 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 51.

The spelling of 156051615666012 in words is "one hundred fifty-six trillion, fifty-one billion, six hundred fifteen million, six hundred sixty-six thousand, twelve".