161310654 has 24 divisors (see below), whose sum is σ = 370066320. Its totient is φ = 50607168.

The previous prime is 161310647. The next prime is 161310659. The reversal of 161310654 is 456013161.

161310654 is a `hidden beast` number, since 1 + 6 + 1 + 3 + 1 + 0 + 654 = 666.

161310654 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 2×161310654² = 52042254187815432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161310659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263274 + ... + 263885.

It is an arithmetic number, because the mean of its divisors is an integer number (15419430).

Almost surely, 2^161310654 is an apocalyptic number.

161310654 is an abundant number, since it is smaller than the sum of its proper divisors (208755666).

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

161310654 is a wasteful number, since it uses less digits than its factorization.

161310654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527184 (or 527181 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 161310654 is about 12700.8131235760. The cubic root of 161310654 is about 544.3618533085.

The spelling of 161310654 in words is "one hundred sixty-one million, three hundred ten thousand, six hundred fifty-four".