7716166117660 has 96 divisors (see below), whose sum is σ = 21756350956032. Its totient is φ = 2220035800320.

The previous prime is 7716166117643. The next prime is 7716166117679. The reversal of 7716166117660 is 667116616177.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192691422 + ... + 192731461.

It is an arithmetic number, because the mean of its divisors is an integer number (226628655792).

Almost surely, 2^{7716166117660} is an apocalyptic number.

7716166117660 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7716166117660 is an abundant number, since it is smaller than the sum of its proper divisors (14040184838372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7716166117660 is a wasteful number, since it uses less digits than its factorization.

7716166117660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385422923 (or 385422921 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 55.

The spelling of 7716166117660 in words is "seven trillion, seven hundred sixteen billion, one hundred sixty-six million, one hundred seventeen thousand, six hundred sixty".