16626372 has 24 divisors (see below), whose sum is σ = 44337216. Its totient is φ = 4750368.

The previous prime is 16626341. The next prime is 16626373. The reversal of 16626372 is 27362661.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (16626373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98883 + ... + 99050.

It is an arithmetic number, because the mean of its divisors is an integer number (1847384).

Almost surely, 2^16626372 is an apocalyptic number.

16626372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16626372 is an abundant number, since it is smaller than the sum of its proper divisors (27710844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16626372 is a wasteful number, since it uses less digits than its factorization.

16626372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197947 (or 197945 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 16626372 is about 4077.5448495388. The cubic root of 16626372 is about 255.2304567902.

The spelling of 16626372 in words is "sixteen million, six hundred twenty-six thousand, three hundred seventy-two".