118021633 has 8 divisors (see below), whose sum is σ = 125187552. Its totient is φ = 110880576.

The previous prime is 118021573. The next prime is 118021637. The reversal of 118021633 is 336120811.

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 118021633 - 2⁹ = 118021121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118021598 and 118021607.

It is not an unprimeable number, because it can be changed into a prime (118021637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4066 + ... + 15892.

It is an arithmetic number, because the mean of its divisors is an integer number (15648444).

Almost surely, 2^118021633 is an apocalyptic number.

It is an amenable number.

118021633 is a deficient number, since it is larger than the sum of its proper divisors (7165919).

118021633 is a wasteful number, since it uses less digits than its factorization.

118021633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12431.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 118021633 is about 10863.7761851025. The cubic root of 118021633 is about 490.5167850532.

The spelling of 118021633 in words is "one hundred eighteen million, twenty-one thousand, six hundred thirty-three".