161266704 has 40 divisors (see below), whose sum is σ = 424472832. Its totient is φ = 52740480.

The previous prime is 161266643. The next prime is 161266711. The reversal of 161266704 is 407662161.

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, 29152 + ... + 34239.

Almost surely, 2^161266704 is an apocalyptic number.

It is an amenable number.

161266704 is an abundant number, since it is smaller than the sum of its proper divisors (263206128).

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

161266704 is a wasteful number, since it uses less digits than its factorization.

161266704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63455 (or 63449 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 161266704 is about 12699.0828015255. The cubic root of 161266704 is about 544.3124106627.

The spelling of 161266704 in words is "one hundred sixty-one million, two hundred sixty-six thousand, seven hundred four".