77160412181 has 8 divisors (see below), whose sum is σ = 78875465760. Its totient is φ = 75461929488.

The previous prime is 77160412169. The next prime is 77160412183. The reversal of 77160412181 is 18121406177.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77160412181 - 2⁶ = 77160412117 is a prime.

It is a super-2 number, since 2×77160412181² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77160412183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4133306 + ... + 4151931.

It is an arithmetic number, because the mean of its divisors is an integer number (9859433220).

Almost surely, 2^77160412181 is an apocalyptic number.

It is an amenable number.

77160412181 is a deficient number, since it is larger than the sum of its proper divisors (1715053579).

77160412181 is a wasteful number, since it uses less digits than its factorization.

77160412181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8285443.

The product of its (nonzero) digits is 18816, while the sum is 38.

The spelling of 77160412181 in words is "seventy-seven billion, one hundred sixty million, four hundred twelve thousand, one hundred eighty-one".