161659360 has 48 divisors (see below), whose sum is σ = 390818736. Its totient is φ = 63157248.

The previous prime is 161659357. The next prime is 161659373. The reversal of 161659360 is 63956161.

161659360 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161659360² = 52267497351219200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4869 + ... + 18628.

It is an arithmetic number, because the mean of its divisors is an integer number (8142057).

Almost surely, 2^161659360 is an apocalyptic number.

161659360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161659360 is an abundant number, since it is smaller than the sum of its proper divisors (229159376).

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

161659360 is a wasteful number, since it uses less digits than its factorization.

161659360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23555 (or 23547 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 161659360 is about 12714.5334165277. The cubic root of 161659360 is about 544.7538208648.

The spelling of 161659360 in words is "one hundred sixty-one million, six hundred fifty-nine thousand, three hundred sixty".