83666516 has 12 divisors (see below), whose sum is σ = 146657280. Its totient is φ = 41764440.

The previous prime is 83666483. The next prime is 83666549. The reversal of 83666516 is 61566638.

It is an interprime number because it is at equal distance from previous prime (83666483) and next prime (83666549).

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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, 14420 + ... + 19371.

It is an arithmetic number, because the mean of its divisors is an integer number (12221440).

Almost surely, 2^83666516 is an apocalyptic number.

It is an amenable number.

83666516 is a deficient number, since it is larger than the sum of its proper divisors (62990764).

83666516 is a wasteful number, since it uses less digits than its factorization.

83666516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34414 (or 34412 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 83666516 is about 9146.9402534399. The cubic root of 83666516 is about 437.3715820102.

The spelling of 83666516 in words is "eighty-three million, six hundred sixty-six thousand, five hundred sixteen".