18725053776 has 160 divisors (see below), whose sum is σ = 56907107712. Its totient is φ = 5230663680.

The previous prime is 18725053771. The next prime is 18725053811. The reversal of 18725053776 is 67735052781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18725053771) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6951886 + ... + 6954578.

Almost surely, 2^18725053776 is an apocalyptic number.

18725053776 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 18725053776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28453553856).

18725053776 is an abundant number, since it is smaller than the sum of its proper divisors (38182053936).

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

18725053776 is a wasteful number, since it uses less digits than its factorization.

18725053776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741 (or 3735 counting only the distinct ones).

The product of its (nonzero) digits is 2469600, while the sum is 51.

The spelling of 18725053776 in words is "eighteen billion, seven hundred twenty-five million, fifty-three thousand, seven hundred seventy-six".