80261566000 has 160 divisors (see below), whose sum is σ = 241960942080. Its totient is φ = 25016544000.

The previous prime is 80261565983. The next prime is 80261566001. The reversal of 80261566000 is 66516208.

It is not an unprimeable number, because it can be changed into a prime (80261566001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106590 + ... + 414589.

It is an arithmetic number, because the mean of its divisors is an integer number (1512255888).

Almost surely, 2^80261566000 is an apocalyptic number.

80261566000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80261566000 is an abundant number, since it is smaller than the sum of its proper divisors (161699376080).

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

80261566000 is a wasteful number, since it uses less digits than its factorization.

80261566000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521220 (or 521204 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 80261566000 in words is "eighty billion, two hundred sixty-one million, five hundred sixty-six thousand".