118671293169 has 135 divisors (see below), whose sum is σ = 207009434385. Its totient is φ = 65480088960.

The previous prime is 118671293141. The next prime is 118671293179. The reversal of 118671293169 is 961392176811.

The square root of 118671293169 is 344487.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 11938403169 + 106732890000 = 109263^2 + 326700^2 .

It is a de Polignac number, because none of the positive numbers 2^k-118671293169 is a prime.

It is a super-2 number, since 2×118671293169² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (118671293179) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 1625634117 + ... + 1625634189.

Almost surely, 2^118671293169 is an apocalyptic number.

118671293169 is the 344487-th square number.

118671293169 is the 172244-th centered octagonal number.

It is an amenable number.

118671293169 is a deficient number, since it is larger than the sum of its proper divisors (88338141216).

118671293169 is an frugal number, since it uses more digits than its factorization.

118671293169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 100 counting only the distinct ones).

The product of its digits is 979776, while the sum is 54.

The spelling of 118671293169 in words is "one hundred eighteen billion, six hundred seventy-one million, two hundred ninety-three thousand, one hundred sixty-nine".