16402996 has 6 divisors (see below), whose sum is σ = 28705250. Its totient is φ = 8201496.

The previous prime is 16402949. The next prime is 16403017. The reversal of 16402996 is 69920461.

16402996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13032100 + 3370896 = 3610^2 + 1836^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2050371 + ... + 2050378.

Almost surely, 2^16402996 is an apocalyptic number.

It is an amenable number.

16402996 is a deficient number, since it is larger than the sum of its proper divisors (12302254).

16402996 is a wasteful number, since it uses less digits than its factorization.

16402996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4100753 (or 4100751 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 16402996 is about 4050.0612341050. The cubic root of 16402996 is about 254.0822888358.

The spelling of 16402996 in words is "sixteen million, four hundred two thousand, nine hundred ninety-six".