355671656 has 16 divisors (see below), whose sum is σ = 669655140. Its totient is φ = 177096960.

The previous prime is 355671653. The next prime is 355671677. The reversal of 355671656 is 656176553.

It can be written as a sum of positive squares in 2 ways, for example, as 350962756 + 4708900 = 18734^2 + 2170^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (355671653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90311 + ... + 94166.

Almost surely, 2^355671656 is an apocalyptic number.

It is an amenable number.

355671656 is a deficient number, since it is larger than the sum of its proper divisors (313983484).

355671656 is a wasteful number, since it uses less digits than its factorization.

355671656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184724 (or 184720 counting only the distinct ones).

The product of its digits is 567000, while the sum is 44.

The square root of 355671656 is about 18859.2591583021. The cubic root of 355671656 is about 708.5161471880.

The spelling of 355671656 in words is "three hundred fifty-five million, six hundred seventy-one thousand, six hundred fifty-six".