161529960 has 32 divisors (see below), whose sum is σ = 484590240. Its totient is φ = 43074624.

The previous prime is 161529923. The next prime is 161529961. The reversal of 161529960 is 69925161.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (161529961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672922 + ... + 673161.

It is an arithmetic number, because the mean of its divisors is an integer number (15143445).

Almost surely, 2^161529960 is an apocalyptic number.

161529960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161529960 is an abundant number, since it is smaller than the sum of its proper divisors (323060280).

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

161529960 is a wasteful number, since it uses less digits than its factorization.

161529960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346097 (or 1346093 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 161529960 is about 12709.4437329098. The cubic root of 161529960 is about 544.6084329311.

The spelling of 161529960 in words is "one hundred sixty-one million, five hundred twenty-nine thousand, nine hundred sixty".