118708695661 has 4 divisors (see below), whose sum is σ = 118884041532. Its totient is φ = 118533349792.

The previous prime is 118708695601. The next prime is 118708695779. The reversal of 118708695661 is 166596807811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 166596807811 = 7 ⋅23799543973.

It can be written as a sum of positive squares in 2 ways, for example, as 88919661636 + 29789034025 = 298194^2 + 172595^2 .

It is a cyclic number.

It is not a de Polignac number, because 118708695661 - 2²⁵ = 118675141229 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118708695596 and 118708695605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118708695601) 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, 87671920 + ... + 87673273.

It is an arithmetic number, because the mean of its divisors is an integer number (29721010383).

Almost surely, 2^118708695661 is an apocalyptic number.

It is an amenable number.

118708695661 is a deficient number, since it is larger than the sum of its proper divisors (175345871).

118708695661 is an equidigital number, since it uses as much as digits as its factorization.

118708695661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175345870.

The product of its (nonzero) digits is 4354560, while the sum is 58.

The spelling of 118708695661 in words is "one hundred eighteen billion, seven hundred eight million, six hundred ninety-five thousand, six hundred sixty-one".