157771070165 has 32 divisors (see below), whose sum is σ = 207381081600. Its totient is φ = 114813357120.

The previous prime is 157771070159. The next prime is 157771070173. The reversal of 157771070165 is 561070177751.

It is not a de Polignac number, because 157771070165 - 2⁶ = 157771070101 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86291 + ... + 568320.

It is an arithmetic number, because the mean of its divisors is an integer number (6480658800).

Almost surely, 2^157771070165 is an apocalyptic number.

It is an amenable number.

157771070165 is a deficient number, since it is larger than the sum of its proper divisors (49610011435).

157771070165 is a wasteful number, since it uses less digits than its factorization.

157771070165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654737.

The product of its (nonzero) digits is 360150, while the sum is 47.

The spelling of 157771070165 in words is "one hundred fifty-seven billion, seven hundred seventy-one million, seventy thousand, one hundred sixty-five".