18766452950 has 96 divisors (see below), whose sum is σ = 43346749440. Its totient is φ = 5898873600.

The previous prime is 18766452899. The next prime is 18766452961. The reversal of 18766452950 is 5925466781.

It is a junction number, because it is equal to n+sod(n) for n = 18766452892 and 18766452901.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 160634 + ... + 251666.

It is an arithmetic number, because the mean of its divisors is an integer number (451528640).

Almost surely, 2^18766452950 is an apocalyptic number.

18766452950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18766452950 is an abundant number, since it is smaller than the sum of its proper divisors (24580296490).

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

18766452950 is a wasteful number, since it uses less digits than its factorization.

18766452950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91102 (or 91097 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 18766452950 in words is "eighteen billion, seven hundred sixty-six million, four hundred fifty-two thousand, nine hundred fifty".