116169661 has 4 divisors (see below), whose sum is σ = 116197312. Its totient is φ = 116142012.

The previous prime is 116169659. The next prime is 116169671. The reversal of 116169661 is 166961611.

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 not a de Polignac number, because 116169661 - 2¹ = 116169659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116169661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116169671) 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, 6075 + ... + 16408.

It is an arithmetic number, because the mean of its divisors is an integer number (29049328).

Almost surely, 2^116169661 is an apocalyptic number.

It is an amenable number.

116169661 is a deficient number, since it is larger than the sum of its proper divisors (27651).

116169661 is an equidigital number, since it uses as much as digits as its factorization.

116169661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27650.

The product of its digits is 11664, while the sum is 37.

The square root of 116169661 is about 10778.2030506017. The cubic root of 116169661 is about 487.9375493966.

The spelling of 116169661 in words is "one hundred sixteen million, one hundred sixty-nine thousand, six hundred sixty-one".