66099932 has 24 divisors (see below), whose sum is σ = 121195200. Its totient is φ = 31502016.

The previous prime is 66099919. The next prime is 66099949. The reversal of 66099932 is 23999066.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5558 + ... + 12770.

It is an arithmetic number, because the mean of its divisors is an integer number (5049800).

Almost surely, 2^66099932 is an apocalyptic number.

It is an amenable number.

66099932 is a deficient number, since it is larger than the sum of its proper divisors (55095268).

66099932 is a wasteful number, since it uses less digits than its factorization.

66099932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7325 (or 7323 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 44.

The square root of 66099932 is about 8130.1864677263. The cubic root of 66099932 is about 404.3278634478.

The spelling of 66099932 in words is "sixty-six million, ninety-nine thousand, nine hundred thirty-two".