6166672291 has 4 divisors (see below), whose sum is σ = 6641031712. Its totient is φ = 5692312872.

The previous prime is 6166672289. The next prime is 6166672349. The reversal of 6166672291 is 1922766616.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6166672291 - 2¹ = 6166672289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6166673291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237179691 + ... + 237179716.

It is an arithmetic number, because the mean of its divisors is an integer number (1660257928).

Almost surely, 2^6166672291 is an apocalyptic number.

6166672291 is a deficient number, since it is larger than the sum of its proper divisors (474359421).

6166672291 is a wasteful number, since it uses less digits than its factorization.

6166672291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474359420.

The product of its digits is 326592, while the sum is 46.

The square root of 6166672291 is about 78528.1624068716. The cubic root of 6166672291 is about 1833.7929127244.

The spelling of 6166672291 in words is "six billion, one hundred sixty-six million, six hundred seventy-two thousand, two hundred ninety-one".