161534064 has 40 divisors (see below), whose sum is σ = 419195392. Its totient is φ = 53599680.

The previous prime is 161534053. The next prime is 161534077. The reversal of 161534064 is 460435161.

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, 3159 + ... + 18249.

Almost surely, 2^161534064 is an apocalyptic number.

It is an amenable number.

161534064 is an abundant number, since it is smaller than the sum of its proper divisors (257661328).

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

161534064 is a wasteful number, since it uses less digits than its factorization.

161534064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15325 (or 15319 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 161534064 is about 12709.6051866295. The cubic root of 161534064 is about 544.6130451901.

The spelling of 161534064 in words is "one hundred sixty-one million, five hundred thirty-four thousand, sixty-four".