16612872 has 32 divisors (see below), whose sum is σ = 42547680. Its totient is φ = 5402240.

The previous prime is 16612867. The next prime is 16612873. The reversal of 16612872 is 27821661.

It is not an unprimeable number, because it can be changed into a prime (16612873) 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, 7458 + ... + 9425.

It is an arithmetic number, because the mean of its divisors is an integer number (1329615).

Almost surely, 2^16612872 is an apocalyptic number.

16612872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16612872 is an abundant number, since it is smaller than the sum of its proper divisors (25934808).

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

16612872 is a wasteful number, since it uses less digits than its factorization.

16612872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16933 (or 16929 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 16612872 is about 4075.8891054591. The cubic root of 16612872 is about 255.1613588504.

The spelling of 16612872 in words is "sixteen million, six hundred twelve thousand, eight hundred seventy-two".