80156571464 has 32 divisors (see below), whose sum is σ = 150752521920. Its totient is φ = 39956089536.

The previous prime is 80156571433. The next prime is 80156571491. The reversal of 80156571464 is 46417565108.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3553967 + ... + 3576449.

It is an arithmetic number, because the mean of its divisors is an integer number (4711016310).

Almost surely, 2^80156571464 is an apocalyptic number.

It is an amenable number.

80156571464 is a deficient number, since it is larger than the sum of its proper divisors (70595950456).

80156571464 is a wasteful number, since it uses less digits than its factorization.

80156571464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23829 (or 23825 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 80156571464 in words is "eighty billion, one hundred fifty-six million, five hundred seventy-one thousand, four hundred sixty-four".