83051391680 has 28 divisors (see below), whose sum is σ = 197766127200. Its totient is φ = 33220556544.

The previous prime is 83051391671. The next prime is 83051391751. The reversal of 83051391680 is 8619315038.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129767480 + ... + 129768119.

Almost surely, 2^83051391680 is an apocalyptic number.

83051391680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

83051391680 is an abundant number, since it is smaller than the sum of its proper divisors (114714735520).

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

83051391680 is a wasteful number, since it uses less digits than its factorization.

83051391680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259535616 (or 259535606 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 83051391680 in words is "eighty-three billion, fifty-one million, three hundred ninety-one thousand, six hundred eighty".