82961616 has 40 divisors (see below), whose sum is σ = 214834464. Its totient is φ = 27587200.

The previous prime is 82961603. The next prime is 82961623. The reversal of 82961616 is 61616928.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20566 + ... + 24266.

Almost surely, 2^82961616 is an apocalyptic number.

It is an amenable number.

82961616 is an abundant number, since it is smaller than the sum of its proper divisors (131872848).

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

82961616 is a wasteful number, since it uses less digits than its factorization.

82961616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4179 (or 4173 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 82961616 is about 9108.3267398573. The cubic root of 82961616 is about 436.1398143191.

The spelling of 82961616 in words is "eighty-two million, nine hundred sixty-one thousand, six hundred sixteen".