118670455598409 has 243 divisors, whose sum is σ = 207659083856679. Its totient is φ = 65225629909440.

The previous prime is 118670455598369. The next prime is 118670455598413. The reversal of 118670455598409 is 904895554076811.

The square root of 118670455598409 is 10893597.

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

118670455598409 is a `hidden beast` number, since 1 + 1 + 8 + 67 + 0 + 4 + 5 + 559 + 8 + 4 + 0 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17554801124025 + 101115654474384 = 4189845^2 + 10055628^2 .

It is not a de Polignac number, because 118670455598409 - 2²⁹ = 118669918727497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118670455594409) by changing a digit.

It is a polite number, since it can be written in 242 ways as a sum of consecutive naturals, for example, 313114658382 + ... + 313114658760.

Almost surely, 2^{118670455598409} is an apocalyptic number.

118670455598409 is the 10893597-th square number.

118670455598409 is the 5446799-th centered octagonal number.

It is an amenable number.

118670455598409 is a deficient number, since it is larger than the sum of its proper divisors (88988628258270).

118670455598409 is an equidigital number, since it uses as much as digits as its factorization.

118670455598409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 435456000, while the sum is 72.

The spelling of 118670455598409 in words is "one hundred eighteen trillion, six hundred seventy billion, four hundred fifty-five million, five hundred ninety-eight thousand, four hundred nine".