7261117166 has 32 divisors (see below), whose sum is σ = 11386690560. Its totient is φ = 3468729600.

The previous prime is 7261117151. The next prime is 7261117187. The reversal of 7261117166 is 6617111627.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2951645 + ... + 2954103.

It is an arithmetic number, because the mean of its divisors is an integer number (355834080).

Almost surely, 2^7261117166 is an apocalyptic number.

7261117166 is a deficient number, since it is larger than the sum of its proper divisors (4125573394).

7261117166 is a wasteful number, since it uses less digits than its factorization.

7261117166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3080.

The product of its digits is 21168, while the sum is 38.

The square root of 7261117166 is about 85212.1890694049. The cubic root of 7261117166 is about 1936.4270835593.

The spelling of 7261117166 in words is "seven billion, two hundred sixty-one million, one hundred seventeen thousand, one hundred sixty-six".