76166261 has 4 divisors (see below), whose sum is σ = 76300224. Its totient is φ = 76032300.

The previous prime is 76166213. The next prime is 76166281. The reversal of 76166261 is 16266167.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 76166261 - 2⁶ = 76166197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76166281) 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, 66125 + ... + 67266.

It is an arithmetic number, because the mean of its divisors is an integer number (19075056).

Almost surely, 2^76166261 is an apocalyptic number.

It is an amenable number.

76166261 is a deficient number, since it is larger than the sum of its proper divisors (133963).

76166261 is a wasteful number, since it uses less digits than its factorization.

76166261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133962.

The product of its digits is 18144, while the sum is 35.

The square root of 76166261 is about 8727.3283999171. The cubic root of 76166261 is about 423.8910160294.

The spelling of 76166261 in words is "seventy-six million, one hundred sixty-six thousand, two hundred sixty-one".