1166672840 has 16 divisors (see below), whose sum is σ = 2625013980. Its totient is φ = 466669120.

The previous prime is 1166672833. The next prime is 1166672873. The reversal of 1166672840 is 482766611.

It can be written as a sum of positive squares in 2 ways, for example, as 1073086564 + 93586276 = 32758^2 + 9674^2 .

It is a super-2 number, since 2×1166672840² = 2722251031187331200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14583371 + ... + 14583450.

Almost surely, 2^1166672840 is an apocalyptic number.

1166672840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1166672840 is an abundant number, since it is smaller than the sum of its proper divisors (1458341140).

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

1166672840 is a wasteful number, since it uses less digits than its factorization.

1166672840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29166832 (or 29166828 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 1166672840 is about 34156.5929214259. The cubic root of 1166672840 is about 1052.7284564153.

The spelling of 1166672840 in words is "one billion, one hundred sixty-six million, six hundred seventy-two thousand, eight hundred forty".