16617412 has 12 divisors (see below), whose sum is σ = 33234880. Its totient is φ = 7121736.

The previous prime is 16617401. The next prime is 16617427. The reversal of 16617412 is 21471661.

16617412 is an admirable number.

It is a super-2 number, since 2×16617412² = 552276763155488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 593479 = 16617412 / (1 + 6 + 6 + 1 + 7 + 4 + 1 + 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, 296712 + ... + 296767.

Almost surely, 2^16617412 is an apocalyptic number.

It is an amenable number.

16617412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16617412 is a wasteful number, since it uses less digits than its factorization.

16617412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593490 (or 593488 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 16617412 is about 4076.4460011142. The cubic root of 16617412 is about 255.1846004079.

It can be divided in two parts, 166 and 17412, that added together give a triangular number (17578 = T₁₈₇).

The spelling of 16617412 in words is "sixteen million, six hundred seventeen thousand, four hundred twelve".