83668356 has 96 divisors (see below), whose sum is σ = 231840000. Its totient is φ = 26002944.

The previous prime is 83668337. The next prime is 83668357. The reversal of 83668356 is 65386638.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (83668357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 365250 + ... + 365478.

It is an arithmetic number, because the mean of its divisors is an integer number (2415000).

Almost surely, 2^83668356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83668356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115920000).

83668356 is an abundant number, since it is smaller than the sum of its proper divisors (148171644).

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

83668356 is a wasteful number, since it uses less digits than its factorization.

83668356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 450 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 83668356 is about 9147.0408329689. The cubic root of 83668356 is about 437.3747882224.

The spelling of 83668356 in words is "eighty-three million, six hundred sixty-eight thousand, three hundred fifty-six".