352491666 has 16 divisors (see below), whose sum is σ = 705360000. Its totient is φ = 117434448.

The previous prime is 352491649. The next prime is 352491673. The reversal of 352491666 is 666194253.

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, 2701 + ... + 26688.

It is an arithmetic number, because the mean of its divisors is an integer number (44085000).

Almost surely, 2^352491666 is an apocalyptic number.

352491666 is an abundant number, since it is smaller than the sum of its proper divisors (352868334).

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

352491666 is a wasteful number, since it uses less digits than its factorization.

352491666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31393.

The product of its digits is 233280, while the sum is 42.

The square root of 352491666 is about 18774.7614099354. The cubic root of 352491666 is about 706.3982550799.

The spelling of 352491666 in words is "three hundred fifty-two million, four hundred ninety-one thousand, six hundred sixty-six".