82366644 has 12 divisors (see below), whose sum is σ = 192188864. Its totient is φ = 27455544.

The previous prime is 82366639. The next prime is 82366673. The reversal of 82366644 is 44666328.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 3431932 + ... + 3431955.

Almost surely, 2^82366644 is an apocalyptic number.

It is an amenable number.

82366644 is an abundant number, since it is smaller than the sum of its proper divisors (109822220).

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

82366644 is a wasteful number, since it uses less digits than its factorization.

82366644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6863894 (or 6863892 counting only the distinct ones).

The product of its digits is 165888, while the sum is 39.

The square root of 82366644 is about 9075.6070871320. The cubic root of 82366644 is about 435.0946973118.

The spelling of 82366644 in words is "eighty-two million, three hundred sixty-six thousand, six hundred forty-four".