16215952 has 20 divisors (see below), whose sum is σ = 31699980. Its totient is φ = 8035328.

The previous prime is 16215923. The next prime is 16215961. The reversal of 16215952 is 25951261.

It can be written as a sum of positive squares in 2 ways, for example, as 3370896 + 12845056 = 1836^2 + 3584^2 .

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, 2677 + ... + 6292.

It is an arithmetic number, because the mean of its divisors is an integer number (1584999).

Almost surely, 2^16215952 is an apocalyptic number.

It is an amenable number.

16215952 is a deficient number, since it is larger than the sum of its proper divisors (15484028).

16215952 is a wasteful number, since it uses less digits than its factorization.

16215952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9090 (or 9084 counting only the distinct ones).

The product of its digits is 5400, while the sum is 31.

The square root of 16215952 is about 4026.9035250425. The cubic root of 16215952 is about 253.1128244309.

The spelling of 16215952 in words is "sixteen million, two hundred fifteen thousand, nine hundred fifty-two".