16670408 has 16 divisors (see below), whose sum is σ = 31847580. Its totient is φ = 8177728.

The previous prime is 16670399. The next prime is 16670411. The reversal of 16670408 is 80407661.

It can be written as a sum of positive squares in 2 ways, for example, as 15225604 + 1444804 = 3902^2 + 1202^2 .

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, 19235 + ... + 20082.

Almost surely, 2^16670408 is an apocalyptic number.

It is an amenable number.

16670408 is a deficient number, since it is larger than the sum of its proper divisors (15177172).

16670408 is a wasteful number, since it uses less digits than its factorization.

16670408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39376 (or 39372 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 16670408 is about 4082.9410968075. The cubic root of 16670408 is about 255.4555894947.

The spelling of 16670408 in words is "sixteen million, six hundred seventy thousand, four hundred eight".