16612972 has 12 divisors (see below), whose sum is σ = 29158920. Its totient is φ = 8281856.

The previous prime is 16612957. The next prime is 16612987. The reversal of 16612972 is 27921661.

It is an interprime number because it is at equal distance from previous prime (16612957) and next prime (16612987).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4597 + ... + 7372.

It is an arithmetic number, because the mean of its divisors is an integer number (2429910).

Almost surely, 2^16612972 is an apocalyptic number.

It is an amenable number.

16612972 is a deficient number, since it is larger than the sum of its proper divisors (12545948).

16612972 is a wasteful number, since it uses less digits than its factorization.

16612972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12320 (or 12318 counting only the distinct ones).

The product of its digits is 9072, while the sum is 34.

The square root of 16612972 is about 4075.9013727027. The cubic root of 16612972 is about 255.1618708246.

The spelling of 16612972 in words is "sixteen million, six hundred twelve thousand, nine hundred seventy-two".