161360464 has 40 divisors (see below), whose sum is σ = 348459840. Its totient is φ = 71935488.

The previous prime is 161360449. The next prime is 161360489. The reversal of 161360464 is 464063161.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 10444 + ... + 20779.

It is an arithmetic number, because the mean of its divisors is an integer number (8711496).

Almost surely, 2^161360464 is an apocalyptic number.

It is an amenable number.

161360464 is an abundant number, since it is smaller than the sum of its proper divisors (187099376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161360464 is a wasteful number, since it uses less digits than its factorization.

161360464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31267 (or 31261 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 161360464 is about 12702.7738703009. The cubic root of 161360464 is about 544.4178774517.

The spelling of 161360464 in words is "one hundred sixty-one million, three hundred sixty thousand, four hundred sixty-four".