156521377116 has 36 divisors (see below), whose sum is σ = 426085972312. Its totient is φ = 48160423584.

The previous prime is 156521377087. The next prime is 156521377121. The reversal of 156521377116 is 611773125651.

156521377116 is a `hidden beast` number, since 1 + 5 + 6 + 521 + 3 + 7 + 7 + 116 = 666.

156521377116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 167223226 + ... + 167224161.

Almost surely, 2^156521377116 is an apocalyptic number.

It is an amenable number.

156521377116 is an abundant number, since it is smaller than the sum of its proper divisors (269564595196).

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

156521377116 is a wasteful number, since it uses less digits than its factorization.

156521377116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334447410 (or 334447405 counting only the distinct ones).

The product of its digits is 264600, while the sum is 45.

The spelling of 156521377116 in words is "one hundred fifty-six billion, five hundred twenty-one million, three hundred seventy-seven thousand, one hundred sixteen".