18953131206 has 16 divisors (see below), whose sum is σ = 37908471024. Its totient is φ = 6317342304.

The previous prime is 18953131201. The next prime is 18953131243. The reversal of 18953131206 is 60213135981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18953131201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32496 + ... + 197388.

It is an arithmetic number, because the mean of its divisors is an integer number (2369279439).

Almost surely, 2^18953131206 is an apocalyptic number.

18953131206 is an abundant number, since it is smaller than the sum of its proper divisors (18955339818).

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

18953131206 is a wasteful number, since it uses less digits than its factorization.

18953131206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184055.

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 18953131206 in words is "eighteen billion, nine hundred fifty-three million, one hundred thirty-one thousand, two hundred six".