671150570157 has 6 divisors (see below), whose sum is σ = 969439712462. Its totient is φ = 447433713432.

The previous prime is 671150570147. The next prime is 671150570173. The reversal of 671150570157 is 751075051176.

671150570157 is a `hidden beast` number, since 6 + 7 + 11 + 50 + 570 + 15 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 670795398441 + 355171716 = 819021^2 + 18846^2 .

It is not a de Polignac number, because 671150570157 - 2⁶ = 671150570093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671150570147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37286142778 + ... + 37286142795.

Almost surely, 2^671150570157 is an apocalyptic number.

It is an amenable number.

671150570157 is a deficient number, since it is larger than the sum of its proper divisors (298289142305).

671150570157 is a wasteful number, since it uses less digits than its factorization.

671150570157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74572285579 (or 74572285576 counting only the distinct ones).

The product of its (nonzero) digits is 257250, while the sum is 45.

The spelling of 671150570157 in words is "six hundred seventy-one billion, one hundred fifty million, five hundred seventy thousand, one hundred fifty-seven".