156777164 has 12 divisors (see below), whose sum is σ = 274696800. Its totient is φ = 78292368.

The previous prime is 156777163. The next prime is 156777167. The reversal of 156777164 is 461777651.

It is a happy number.

156777164 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (156777163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20324 + ... + 26955.

It is an arithmetic number, because the mean of its divisors is an integer number (22891400).

Almost surely, 2^156777164 is an apocalyptic number.

It is an amenable number.

156777164 is a deficient number, since it is larger than the sum of its proper divisors (117919636).

156777164 is a wasteful number, since it uses less digits than its factorization.

156777164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48112 (or 48110 counting only the distinct ones).

The product of its digits is 246960, while the sum is 44.

The square root of 156777164 is about 12521.0688042196. The cubic root of 156777164 is about 539.2137207881.

The spelling of 156777164 in words is "one hundred fifty-six million, seven hundred seventy-seven thousand, one hundred sixty-four".