83655066 has 16 divisors (see below), whose sum is σ = 182520288. Its totient is φ = 25350000.

The previous prime is 83655059. The next prime is 83655073. The reversal of 83655066 is 66055638.

It is an interprime number because it is at equal distance from previous prime (83655059) and next prime (83655073).

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, 633685 + ... + 633816.

It is an arithmetic number, because the mean of its divisors is an integer number (11407518).

Almost surely, 2^83655066 is an apocalyptic number.

83655066 is an abundant number, since it is smaller than the sum of its proper divisors (98865222).

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

83655066 is a wasteful number, since it uses less digits than its factorization.

83655066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267517.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 83655066 is about 9146.3143396671. The cubic root of 83655066 is about 437.3516292529.

It can be divided in two parts, 8365 and 5066, that added together give a palindrome (13431).

The spelling of 83655066 in words is "eighty-three million, six hundred fifty-five thousand, sixty-six".