156120520497816 has 384 divisors, whose sum is σ = 475872235346880. Its totient is φ = 42511576633344.

The previous prime is 156120520497793. The next prime is 156120520497839. The reversal of 156120520497816 is 618794025021651.

156120520497816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (156120520497793) and next prime (156120520497839).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1413606150 + ... + 1413716586.

Almost surely, 2^{156120520497816} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156120520497816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237936117673440).

156120520497816 is an abundant number, since it is smaller than the sum of its proper divisors (319751714849064).

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

156120520497816 is a wasteful number, since it uses less digits than its factorization.

156120520497816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111163 (or 111152 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 57.

The spelling of 156120520497816 in words is "one hundred fifty-six trillion, one hundred twenty billion, five hundred twenty million, four hundred ninety-seven thousand, eight hundred sixteen".