16628402 has 32 divisors (see below), whose sum is σ = 30074112. Its totient is φ = 6741504.

The previous prime is 16628399. The next prime is 16628461. The reversal of 16628402 is 20482661.

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, 36158 + ... + 36614.

It is an arithmetic number, because the mean of its divisors is an integer number (939816).

Almost surely, 2^16628402 is an apocalyptic number.

16628402 is a deficient number, since it is larger than the sum of its proper divisors (13445710).

16628402 is a wasteful number, since it uses less digits than its factorization.

16628402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 16628402 is about 4077.7937662417. The cubic root of 16628402 is about 255.2408438376.

The spelling of 16628402 in words is "sixteen million, six hundred twenty-eight thousand, four hundred two".