161760364 has 6 divisors (see below), whose sum is σ = 283080644. Its totient is φ = 80880180.

The previous prime is 161760341. The next prime is 161760371. The reversal of 161760364 is 463067161.

It is a super-2 number, since 2×161760364² = 52332830722824992, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20220042 + ... + 20220049.

Almost surely, 2^161760364 is an apocalyptic number.

It is an amenable number.

161760364 is a deficient number, since it is larger than the sum of its proper divisors (121320280).

161760364 is a wasteful number, since it uses less digits than its factorization.

161760364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40440095 (or 40440093 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 161760364 is about 12718.5047863340. The cubic root of 161760364 is about 544.8672504443.

The spelling of 161760364 in words is "one hundred sixty-one million, seven hundred sixty thousand, three hundred sixty-four".