157768557336 has 192 divisors, whose sum is σ = 466527690720. Its totient is φ = 47874355200.

The previous prime is 157768557209. The next prime is 157768557371. The reversal of 157768557336 is 633755867751.

157768557336 is a `hidden beast` number, since 1 + 5 + 7 + 76 + 8 + 557 + 3 + 3 + 6 = 666.

157768557336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54457840 + ... + 54460736.

Almost surely, 2^157768557336 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 157768557336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233263845360).

157768557336 is an abundant number, since it is smaller than the sum of its proper divisors (308759133384).

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

157768557336 is a wasteful number, since it uses less digits than its factorization.

157768557336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3706 (or 3699 counting only the distinct ones).

The product of its digits is 111132000, while the sum is 63.

The spelling of 157768557336 in words is "one hundred fifty-seven billion, seven hundred sixty-eight million, five hundred fifty-seven thousand, three hundred thirty-six".