80660306490 has 16 divisors (see below), whose sum is σ = 193584735648. Its totient is φ = 21509415056.

The previous prime is 80660306477. The next prime is 80660306537. The reversal of 80660306490 is 9460306608.

It is a super-2 number, since 2×80660306490² (a number of 23 digits) contains 22 as substring.

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, 1344338412 + ... + 1344338471.

It is an arithmetic number, because the mean of its divisors is an integer number (12099045978).

Almost surely, 2^80660306490 is an apocalyptic number.

80660306490 is an abundant number, since it is smaller than the sum of its proper divisors (112924429158).

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

80660306490 is a wasteful number, since it uses less digits than its factorization.

80660306490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688676893.

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 80660306490 in words is "eighty billion, six hundred sixty million, three hundred six thousand, four hundred ninety".