80651612160 has 624 divisors, whose sum is σ = 338380825536. Its totient is φ = 17345544192.

The previous prime is 80651612089. The next prime is 80651612189. The reversal of 80651612160 is 6121615608.

80651612160 is a `hidden beast` number, since 80 + 6 + 516 + 1 + 2 + 1 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21932242 + ... + 21935918.

It is an arithmetic number, because the mean of its divisors is an integer number (542276964).

Almost surely, 2^80651612160 is an apocalyptic number.

80651612160 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80651612160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169190412768).

80651612160 is an abundant number, since it is smaller than the sum of its proper divisors (257729213376).

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

80651612160 is a wasteful number, since it uses less digits than its factorization.

80651612160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3736 (or 3711 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 80651612160 in words is "eighty billion, six hundred fifty-one million, six hundred twelve thousand, one hundred sixty".