16623662 has 24 divisors (see below), whose sum is σ = 27828360. Its totient is φ = 7386080.

The previous prime is 16623653. The next prime is 16623683. The reversal of 16623662 is 26632661.

It is a super-2 number, since 2×16623662² = 552692276580488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61664 + ... + 61932.

It is an arithmetic number, because the mean of its divisors is an integer number (1159515).

Almost surely, 2^16623662 is an apocalyptic number.

16623662 is a deficient number, since it is larger than the sum of its proper divisors (11204698).

16623662 is a wasteful number, since it uses less digits than its factorization.

16623662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 335 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

The square root of 16623662 is about 4077.2125281864. The cubic root of 16623662 is about 255.2165890200.

The spelling of 16623662 in words is "sixteen million, six hundred twenty-three thousand, six hundred sixty-two".