356671065666 has 16 divisors (see below), whose sum is σ = 728519624064. Its totient is φ = 116360773104.

The previous prime is 356671065601. The next prime is 356671065731. The reversal of 356671065666 is 666560176653.

It is an interprime number because it is at equal distance from previous prime (356671065601) and next prime (356671065731).

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, 632395225 + ... + 632395788.

It is an arithmetic number, because the mean of its divisors is an integer number (45532476504).

Almost surely, 2^356671065666 is an apocalyptic number.

356671065666 is an abundant number, since it is smaller than the sum of its proper divisors (371848558398).

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

356671065666 is a wasteful number, since it uses less digits than its factorization.

356671065666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264791065.

The product of its (nonzero) digits is 24494400, while the sum is 57.

The spelling of 356671065666 in words is "three hundred fifty-six billion, six hundred seventy-one million, sixty-five thousand, six hundred sixty-six".