161160204 has 48 divisors (see below), whose sum is σ = 419126400. Its totient is φ = 47897856.

The previous prime is 161160199. The next prime is 161160247. The reversal of 161160204 is 402061161.

It is a super-2 number, since 2×161160204² = 51945222706643232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16914 + ... + 24665.

It is an arithmetic number, because the mean of its divisors is an integer number (8731800).

Almost surely, 2^161160204 is an apocalyptic number.

It is an amenable number.

161160204 is an abundant number, since it is smaller than the sum of its proper divisors (257966196).

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

161160204 is a wasteful number, since it uses less digits than its factorization.

161160204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41622 (or 41620 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 161160204 is about 12694.8888927789. Note that the first 4 decimals coincide. The cubic root of 161160204 is about 544.1925635691.

The spelling of 161160204 in words is "one hundred sixty-one million, one hundred sixty thousand, two hundred four".