80146666674 has 32 divisors (see below), whose sum is σ = 181464157440. Its totient is φ = 26211487536.

The previous prime is 80146666673. The next prime is 80146666729. The reversal of 80146666674 is 47666664108.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 80146666674.

It is not an unprimeable number, because it can be changed into a prime (80146666673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13999002 + ... + 14004725.

It is an arithmetic number, because the mean of its divisors is an integer number (5670754920).

Almost surely, 2^80146666674 is an apocalyptic number.

80146666674 is an abundant number, since it is smaller than the sum of its proper divisors (101317490766).

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

80146666674 is a wasteful number, since it uses less digits than its factorization.

80146666674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28003791 (or 28003785 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 80146666674 in words is "eighty billion, one hundred forty-six million, six hundred sixty-six thousand, six hundred seventy-four".