156605304081408 has 528 divisors, whose sum is σ = 530519885602560. Its totient is φ = 40186179551232.

The previous prime is 156605304081397. The next prime is 156605304081431. The reversal of 156605304081408 is 804180403506651.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 133882183 + ... + 135046841.

Almost surely, 2^{156605304081408} 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 156605304081408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265259942801280).

156605304081408 is an abundant number, since it is smaller than the sum of its proper divisors (373914581521152).

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

156605304081408 is a wasteful number, since it uses less digits than its factorization.

156605304081408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164752 (or 1164721 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 156605304081408 in words is "one hundred fifty-six trillion, six hundred five billion, three hundred four million, eighty-one thousand, four hundred eight".