116665000705661 has 12 divisors (see below), whose sum is σ = 124014009396000. Its totient is φ = 109729102795200.

The previous prime is 116665000705607. The next prime is 116665000705679. The reversal of 116665000705661 is 166507000566611.

It is not a de Polignac number, because 116665000705661 - 2¹⁴ = 116665000689277 is a prime.

It is a super-2 number, since 2×116665000705661² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116665000705681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134218265 + ... + 135084686.

It is an arithmetic number, because the mean of its divisors is an integer number (10334500783000).

Almost surely, 2^{116665000705661} is an apocalyptic number.

It is an amenable number.

116665000705661 is a deficient number, since it is larger than the sum of its proper divisors (7349008690339).

116665000705661 is a wasteful number, since it uses less digits than its factorization.

116665000705661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269304484 (or 269304467 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 116665000705661 in words is "one hundred sixteen trillion, six hundred sixty-five billion, seven hundred five thousand, six hundred sixty-one".