183503213972 has 24 divisors (see below), whose sum is σ = 353875611936. Its totient is φ = 82724167008.

The previous prime is 183503213909. The next prime is 183503213981. The reversal of 183503213972 is 279312305381.

183503213972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41031578 + ... + 41036049.

It is an arithmetic number, because the mean of its divisors is an integer number (14744817164).

Almost surely, 2^183503213972 is an apocalyptic number.

It is an amenable number.

183503213972 is a deficient number, since it is larger than the sum of its proper divisors (170372397964).

183503213972 is a wasteful number, since it uses less digits than its factorization.

183503213972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82067687 (or 82067685 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 183503213972 in words is "one hundred eighty-three billion, five hundred three million, two hundred thirteen thousand, nine hundred seventy-two".