79166511 has 16 divisors (see below), whose sum is σ = 117573120. Its totient is φ = 52647480.

The previous prime is 79166497. The next prime is 79166519. The reversal of 79166511 is 11566197.

It is a happy number.

It is not a de Polignac number, because 79166511 - 2⁶ = 79166447 is a prime.

It is a super-3 number, since 3×79166511³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79166519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8236 + ... + 15038.

It is an arithmetic number, because the mean of its divisors is an integer number (7348320).

Almost surely, 2^79166511 is an apocalyptic number.

79166511 is a deficient number, since it is larger than the sum of its proper divisors (38406609).

79166511 is a wasteful number, since it uses less digits than its factorization.

79166511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7243 (or 7237 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

The square root of 79166511 is about 8897.5564623103. The cubic root of 79166511 is about 429.3852961815.

The spelling of 79166511 in words is "seventy-nine million, one hundred sixty-six thousand, five hundred eleven".