16500146 has 12 divisors (see below), whose sum is σ = 26801082. Its totient is φ = 7615296.

The previous prime is 16500139. The next prime is 16500161. The reversal of 16500146 is 64100561.

It can be written as a sum of positive squares in 3 ways, for example, as 7349521 + 9150625 = 2711^2 + 3025^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24071 + ... + 24746.

Almost surely, 2^16500146 is an apocalyptic number.

16500146 is a deficient number, since it is larger than the sum of its proper divisors (10300936).

16500146 is a wasteful number, since it uses less digits than its factorization.

16500146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48845 (or 48832 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 16500146 is about 4062.0371736359. The cubic root of 16500146 is about 254.5829193696.

The spelling of 16500146 in words is "sixteen million, five hundred thousand, one hundred forty-six".