18953914896 has 160 divisors (see below), whose sum is σ = 62286291200. Its totient is φ = 5405875200.

The previous prime is 18953914883. The next prime is 18953914933. The reversal of 18953914896 is 69841935981.

18953914896 is a `hidden beast` number, since 1 + 8 + 9 + 539 + 1 + 4 + 8 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1812210 + ... + 1822638.

It is an arithmetic number, because the mean of its divisors is an integer number (389289320).

Almost surely, 2^18953914896 is an apocalyptic number.

18953914896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18953914896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31143145600).

18953914896 is an abundant number, since it is smaller than the sum of its proper divisors (43332376304).

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

18953914896 is a wasteful number, since it uses less digits than its factorization.

18953914896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11054 (or 11042 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 63.

The spelling of 18953914896 in words is "eighteen billion, nine hundred fifty-three million, nine hundred fourteen thousand, eight hundred ninety-six".