2166024379 has 8 divisors (see below), whose sum is σ = 2261619360. Its totient is φ = 2070547776.

The previous prime is 2166024353. The next prime is 2166024401. The reversal of 2166024379 is 9734206612.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2166024379 is a prime.

It is a super-2 number, since 2×2166024379² = 9383323220844671282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2166024779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8887 + ... + 66415.

It is an arithmetic number, because the mean of its divisors is an integer number (282702420).

Almost surely, 2^2166024379 is an apocalyptic number.

2166024379 is a deficient number, since it is larger than the sum of its proper divisors (95594981).

2166024379 is a wasteful number, since it uses less digits than its factorization.

2166024379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59189.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 2166024379 is about 46540.5670249085. The cubic root of 2166024379 is about 1293.8614698730.

The spelling of 2166024379 in words is "two billion, one hundred sixty-six million, twenty-four thousand, three hundred seventy-nine".