116727799661 has 16 divisors (see below), whose sum is σ = 127895165568. Its totient is φ = 105653452800.

The previous prime is 116727799651. The next prime is 116727799681. The reversal of 116727799661 is 166997727611.

It is a cyclic number.

It is not a de Polignac number, because 116727799661 - 2¹⁸ = 116727537517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 116727799594 and 116727799603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116727799651) 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, 6841301 + ... + 6858341.

It is an arithmetic number, because the mean of its divisors is an integer number (7993447848).

Almost surely, 2^116727799661 is an apocalyptic number.

116727799661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

116727799661 is a deficient number, since it is larger than the sum of its proper divisors (11167365907).

116727799661 is a wasteful number, since it uses less digits than its factorization.

116727799661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19732.

The product of its digits is 12002256, while the sum is 62.

The spelling of 116727799661 in words is "one hundred sixteen billion, seven hundred twenty-seven million, seven hundred ninety-nine thousand, six hundred sixty-one".