351661004 has 12 divisors (see below), whose sum is σ = 625837800. Its totient is φ = 172850208.

The previous prime is 351660943. The next prime is 351661019. The reversal of 351661004 is 400166153.

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, 744809 + ... + 745280.

It is an arithmetic number, because the mean of its divisors is an integer number (52153150).

Almost surely, 2^351661004 is an apocalyptic number.

It is an amenable number.

351661004 is a deficient number, since it is larger than the sum of its proper divisors (274176796).

351661004 is a wasteful number, since it uses less digits than its factorization.

351661004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490152 (or 1490150 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 351661004 is about 18752.6265893608. The cubic root of 351661004 is about 705.8429325279.

The spelling of 351661004 in words is "three hundred fifty-one million, six hundred sixty-one thousand, four".