80101621916 has 48 divisors (see below), whose sum is σ = 145258372224. Its totient is φ = 38625232896.

The previous prime is 80101621909. The next prime is 80101621933. The reversal of 80101621916 is 61912610108.

It is a super-2 number, since 2×80101621916² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 19664456 + ... + 19668528.

It is an arithmetic number, because the mean of its divisors is an integer number (3026216088).

Almost surely, 2^80101621916 is an apocalyptic number.

It is an amenable number.

80101621916 is a deficient number, since it is larger than the sum of its proper divisors (65156750308).

80101621916 is a wasteful number, since it uses less digits than its factorization.

80101621916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5630 (or 5628 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 35.

The spelling of 80101621916 in words is "eighty billion, one hundred one million, six hundred twenty-one thousand, nine hundred sixteen".