3975165506 has 32 divisors (see below), whose sum is σ = 6533749488. Its totient is φ = 1802787840.

The previous prime is 3975165497. The next prime is 3975165527. The reversal of 3975165506 is 6055615793.

It can be written as a sum of positive squares in 8 ways, for example, as 364237225 + 3610928281 = 19085^2 + 60091^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521966 + ... + 529526.

Almost surely, 2^3975165506 is an apocalyptic number.

3975165506 is a deficient number, since it is larger than the sum of its proper divisors (2558583982).

3975165506 is a wasteful number, since it uses less digits than its factorization.

3975165506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7926.

The product of its (nonzero) digits is 850500, while the sum is 47.

The square root of 3975165506 is about 63048.9135988876. The cubic root of 3975165506 is about 1584.1090377551.

The spelling of 3975165506 in words is "three billion, nine hundred seventy-five million, one hundred sixty-five thousand, five hundred six".