161704460 has 12 divisors (see below), whose sum is σ = 339579408. Its totient is φ = 64681776.

The previous prime is 161704447. The next prime is 161704481. The reversal of 161704460 is 64407161.

161704460 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161704460² = 52296664767783200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4042592 + ... + 4042631.

It is an arithmetic number, because the mean of its divisors is an integer number (28298284).

Almost surely, 2^161704460 is an apocalyptic number.

161704460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161704460 is an abundant number, since it is smaller than the sum of its proper divisors (177874948).

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

161704460 is a wasteful number, since it uses less digits than its factorization.

161704460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8085232 (or 8085230 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 161704460 is about 12716.3068538000. The cubic root of 161704460 is about 544.8044749335.

The spelling of 161704460 in words is "one hundred sixty-one million, seven hundred four thousand, four hundred sixty".