161952160 has 24 divisors (see below), whose sum is σ = 382612356. Its totient is φ = 64780800.

The previous prime is 161952157. The next prime is 161952163. The reversal of 161952160 is 61259161.

It is an interprime number because it is at equal distance from previous prime (161952157) and next prime (161952163).

It can be written as a sum of positive squares in 2 ways, for example, as 161900176 + 51984 = 12724^2 + 228^2 .

It is not an unprimeable number, because it can be changed into a prime (161952163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505941 + ... + 506260.

Almost surely, 2^161952160 is an apocalyptic number.

161952160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161952160 is an abundant number, since it is smaller than the sum of its proper divisors (220660196).

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

161952160 is a wasteful number, since it uses less digits than its factorization.

161952160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012216 (or 1012208 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 161952160 is about 12726.0425899020. The cubic root of 161952160 is about 545.0825114251.

The spelling of 161952160 in words is "one hundred sixty-one million, nine hundred fifty-two thousand, one hundred sixty".