156422089067904 has 384 divisors, whose sum is σ = 496910389547520. Its totient is φ = 46837413457920.

The previous prime is 156422089067899. The next prime is 156422089067971. The reversal of 156422089067904 is 409760980224651.

156422089067904 is a `hidden beast` number, since 1 + 56 + 422 + 0 + 8 + 90 + 6 + 79 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 357118857 + ... + 357556599.

It is an arithmetic number, because the mean of its divisors is an integer number (1294037472780).

Almost surely, 2^{156422089067904} 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 156422089067904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248455194773760).

156422089067904 is an abundant number, since it is smaller than the sum of its proper divisors (340488300479616).

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

156422089067904 is a wasteful number, since it uses less digits than its factorization.

156422089067904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438110 (or 438095 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 156422089067904 in words is "one hundred fifty-six trillion, four hundred twenty-two billion, eighty-nine million, sixty-seven thousand, nine hundred four".