80611614720 has 1344 divisors, whose sum is σ = 360667157760. Its totient is φ = 16817061888.

The previous prime is 80611614701. The next prime is 80611614757. The reversal of 80611614720 is 2741611608.

It is a happy number.

80611614720 is a `hidden beast` number, since 8 + 0 + 6 + 11 + 614 + 7 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 905748436 + ... + 905748524.

It is an arithmetic number, because the mean of its divisors is an integer number (268353540).

Almost surely, 2^80611614720 is an apocalyptic number.

80611614720 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 80611614720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180333578880).

80611614720 is an abundant number, since it is smaller than the sum of its proper divisors (280055543040).

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

80611614720 is an equidigital number, since it uses as much as digits as its factorization.

80611614720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

It can be divided in two parts, 806116 and 14720, that added together give a square (820836 = 906²).

The spelling of 80611614720 in words is "eighty billion, six hundred eleven million, six hundred fourteen thousand, seven hundred twenty".