161337607670 has 32 divisors (see below), whose sum is σ = 308328467328. Its totient is φ = 60573339648.

The previous prime is 161337607661. The next prime is 161337607709. The reversal of 161337607670 is 76706733161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1230587 + ... + 1355366.

It is an arithmetic number, because the mean of its divisors is an integer number (9635264604).

Almost surely, 2^161337607670 is an apocalyptic number.

161337607670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161337607670 is a deficient number, since it is larger than the sum of its proper divisors (146990859658).

161337607670 is a wasteful number, since it uses less digits than its factorization.

161337607670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586344.

The product of its (nonzero) digits is 666792, while the sum is 47.

The spelling of 161337607670 in words is "one hundred sixty-one billion, three hundred thirty-seven million, six hundred seven thousand, six hundred seventy".