118833820733661 has 32 divisors (see below), whose sum is σ = 173365986213888. Its totient is φ = 71805176835840.

The previous prime is 118833820733647. The next prime is 118833820733801. The reversal of 118833820733661 is 166337028338811.

It is a happy number.

It is not a de Polignac number, because 118833820733661 - 2¹⁰ = 118833820732637 is a prime.

It is a super-4 number, since 4×118833820733661⁴ (a number of 57 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 118833820733595 and 118833820733604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118833820733161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 658973670 + ... + 659153976.

It is an arithmetic number, because the mean of its divisors is an integer number (5417687069184).

Almost surely, 2^{118833820733661} is an apocalyptic number.

118833820733661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

118833820733661 is a deficient number, since it is larger than the sum of its proper divisors (54532165480227).

118833820733661 is a wasteful number, since it uses less digits than its factorization.

118833820733661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239921.

The product of its (nonzero) digits is 20901888, while the sum is 60.

The spelling of 118833820733661 in words is "one hundred eighteen trillion, eight hundred thirty-three billion, eight hundred twenty million, seven hundred thirty-three thousand, six hundred sixty-one".