161339365670 has 16 divisors (see below), whose sum is σ = 331898123808. Its totient is φ = 55316353920.

The previous prime is 161339365669. The next prime is 161339365717. The reversal of 161339365670 is 76563933161.

161339365670 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1152423971 + ... + 1152424110.

It is an arithmetic number, because the mean of its divisors is an integer number (20743632738).

Almost surely, 2^161339365670 is an apocalyptic number.

161339365670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161339365670 is an abundant number, since it is smaller than the sum of its proper divisors (170558758138).

161339365670 is a wasteful number, since it uses less digits than its factorization.

161339365670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304848095.

The product of its (nonzero) digits is 1837080, while the sum is 50.

The spelling of 161339365670 in words is "one hundred sixty-one billion, three hundred thirty-nine million, three hundred sixty-five thousand, six hundred seventy".