16632646 has 16 divisors (see below), whose sum is σ = 25369344. Its totient is φ = 8177544.

The previous prime is 16632643. The next prime is 16632653. The reversal of 16632646 is 64623661.

It is a super-2 number, since 2×16632646² = 553289825922632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16632643) 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, 54025 + ... + 54331.

It is an arithmetic number, because the mean of its divisors is an integer number (1585584).

Almost surely, 2^16632646 is an apocalyptic number.

16632646 is a deficient number, since it is larger than the sum of its proper divisors (8736698).

16632646 is a wasteful number, since it uses less digits than its factorization.

16632646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675.

The product of its digits is 31104, while the sum is 34.

The square root of 16632646 is about 4078.3141124734. The cubic root of 16632646 is about 255.2625566877.

The spelling of 16632646 in words is "sixteen million, six hundred thirty-two thousand, six hundred forty-six".