18833162940 has 36 divisors (see below), whose sum is σ = 57127261464. Its totient is φ = 5022176736.

The previous prime is 18833162903. The next prime is 18833162947. The reversal of 18833162940 is 4926133881.

18833162940 is a `hidden beast` number, since 18 + 8 + 3 + 3 + 1 + 629 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18833162947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52314162 + ... + 52314521.

It is an arithmetic number, because the mean of its divisors is an integer number (1586868374).

Almost surely, 2^18833162940 is an apocalyptic number.

18833162940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18833162940 is an abundant number, since it is smaller than the sum of its proper divisors (38294098524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18833162940 is a wasteful number, since it uses less digits than its factorization.

18833162940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104628698 (or 104628693 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 18833162940 in words is "eighteen billion, eight hundred thirty-three million, one hundred sixty-two thousand, nine hundred forty".