80994942266 has 16 divisors (see below), whose sum is σ = 138852222720. Its totient is φ = 34711180560.

The previous prime is 80994942233. The next prime is 80994942299. The reversal of 80994942266 is 66224949908.

It is an interprime number because it is at equal distance from previous prime (80994942233) and next prime (80994942299).

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, 795800 + ... + 891788.

It is an arithmetic number, because the mean of its divisors is an integer number (8678263920).

Almost surely, 2^80994942266 is an apocalyptic number.

80994942266 is a deficient number, since it is larger than the sum of its proper divisors (57857280454).

80994942266 is a wasteful number, since it uses less digits than its factorization.

80994942266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156269.

The product of its (nonzero) digits is 13436928, while the sum is 59.

The spelling of 80994942266 in words is "eighty billion, nine hundred ninety-four million, nine hundred forty-two thousand, two hundred sixty-six".