118238149669 has 8 divisors (see below), whose sum is σ = 121141140120. Its totient is φ = 115336070400.

The previous prime is 118238149661. The next prime is 118238149693. The reversal of 118238149669 is 966941832811.

It can be written as a sum of positive squares in 4 ways, for example, as 2794496769 + 115443652900 = 52863^2 + 339770^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118238149669 - 2³ = 118238149661 is a prime.

It is a super-2 number, since 2×118238149669² (a number of 23 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 (118238149661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38697 + ... + 487825.

It is an arithmetic number, because the mean of its divisors is an integer number (15142642515).

Almost surely, 2^118238149669 is an apocalyptic number.

It is an amenable number.

118238149669 is a deficient number, since it is larger than the sum of its proper divisors (2902990451).

118238149669 is an equidigital number, since it uses as much as digits as its factorization.

118238149669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455591.

The product of its digits is 4478976, while the sum is 58.

The spelling of 118238149669 in words is "one hundred eighteen billion, two hundred thirty-eight million, one hundred forty-nine thousand, six hundred sixty-nine".