161104152 has 32 divisors (see below), whose sum is σ = 439375680. Its totient is φ = 48819360.

The previous prime is 161104133. The next prime is 161104271. The reversal of 161104152 is 251401161.

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, 304858 + ... + 305385.

It is an arithmetic number, because the mean of its divisors is an integer number (13730490).

Almost surely, 2^161104152 is an apocalyptic number.

161104152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

161104152 is an abundant number, since it is smaller than the sum of its proper divisors (278271528).

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

161104152 is a wasteful number, since it uses less digits than its factorization.

161104152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610263 (or 610259 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 161104152 is about 12692.6810406628. The cubic root of 161104152 is about 544.1294656539.

The spelling of 161104152 in words is "one hundred sixty-one million, one hundred four thousand, one hundred fifty-two".