1166672479 has 16 divisors (see below), whose sum is σ = 1340640000. Its totient is φ = 994549824.

The previous prime is 1166672473. The next prime is 1166672483. The reversal of 1166672479 is 9742766611.

It is a cyclic number.

It is not a de Polignac number, because 1166672479 - 2⁹ = 1166671967 is a prime.

It is a super-2 number, since 2×1166672479² = 2722249346512010882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166672473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1987224 + ... + 1987810.

It is an arithmetic number, because the mean of its divisors is an integer number (83790000).

Almost surely, 2^1166672479 is an apocalyptic number.

1166672479 is a deficient number, since it is larger than the sum of its proper divisors (173967521).

1166672479 is an equidigital number, since it uses as much as digits as its factorization.

1166672479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662.

The product of its digits is 762048, while the sum is 49.

The square root of 1166672479 is about 34156.5876369405. The cubic root of 1166672479 is about 1052.7283478345.

The spelling of 1166672479 in words is "one billion, one hundred sixty-six million, six hundred seventy-two thousand, four hundred seventy-nine".