671161570356745 has 32 divisors (see below), whose sum is σ = 903561428730240. Its totient is φ = 475342973621760.

The previous prime is 671161570356701. The next prime is 671161570356751. The reversal of 671161570356745 is 547653075161176.

It is not a de Polignac number, because 671161570356745 - 2⁷ = 671161570356617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2134105399 + ... + 2134419868.

It is an arithmetic number, because the mean of its divisors is an integer number (28236294647820).

Almost surely, 2^{671161570356745} is an apocalyptic number.

671161570356745 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

671161570356745 is a deficient number, since it is larger than the sum of its proper divisors (232399858373495).

671161570356745 is a wasteful number, since it uses less digits than its factorization.

671161570356745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4268525385.

The product of its (nonzero) digits is 111132000, while the sum is 64.

The spelling of 671161570356745 in words is "six hundred seventy-one trillion, one hundred sixty-one billion, five hundred seventy million, three hundred fifty-six thousand, seven hundred forty-five".