8667161580 has 96 divisors (see below), whose sum is σ = 30256289280. Its totient is φ = 1800967680.

The previous prime is 8667161491. The next prime is 8667161597. The reversal of 8667161580 is 851617668.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 933385 + ... + 942624.

It is an arithmetic number, because the mean of its divisors is an integer number (315169680).

Almost surely, 2^8667161580 is an apocalyptic number.

It is an amenable number.

8667161580 is an abundant number, since it is smaller than the sum of its proper divisors (21589127700).

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

8667161580 is a wasteful number, since it uses less digits than its factorization.

8667161580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876039 (or 1876037 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 8667161580 is about 93097.5916981744. The cubic root of 8667161580 is about 2054.1191481825.

The spelling of 8667161580 in words is "eight billion, six hundred sixty-seven million, one hundred sixty-one thousand, five hundred eighty".