76412661161 has 4 divisors (see below), whose sum is σ = 76424310672. Its totient is φ = 76401011652.

The previous prime is 76412661077. The next prime is 76412661223. The reversal of 76412661161 is 16116621467.

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 a de Polignac number, because none of the positive numbers 2^k-76412661161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76412664161) 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, 5814911 + ... + 5828036.

It is an arithmetic number, because the mean of its divisors is an integer number (19106077668).

Almost surely, 2^76412661161 is an apocalyptic number.

It is an amenable number.

76412661161 is a deficient number, since it is larger than the sum of its proper divisors (11649511).

76412661161 is a wasteful number, since it uses less digits than its factorization.

76412661161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11649510.

The product of its digits is 72576, while the sum is 41.

The spelling of 76412661161 in words is "seventy-six billion, four hundred twelve million, six hundred sixty-one thousand, one hundred sixty-one".