83495816640 has 168 divisors, whose sum is σ = 296455356288. Its totient is φ = 21547284480.

The previous prime is 83495816629. The next prime is 83495816683. The reversal of 83495816640 is 4661859438.

83495816640 is a `hidden beast` number, since 83 + 495 + 8 + 16 + 64 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 378327 + ... + 556886.

It is an arithmetic number, because the mean of its divisors is an integer number (1764615216).

Almost surely, 2^83495816640 is an apocalyptic number.

83495816640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

83495816640 is an abundant number, since it is smaller than the sum of its proper divisors (212959539648).

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

83495816640 is a wasteful number, since it uses less digits than its factorization.

83495816640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935267 (or 935254 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 83495816640 in words is "eighty-three billion, four hundred ninety-five million, eight hundred sixteen thousand, six hundred forty".