18741236976 has 630 divisors, whose sum is σ = 69867830256. Its totient is φ = 4849891200.

The previous prime is 18741236963. The next prime is 18741237017. The reversal of 18741236976 is 67963214781.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

Its product of digits (3048192) is a multiple of the sum of its prime divisors (294).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 125 ways as a sum of consecutive naturals, for example, 69155721 + ... + 69155991.

Almost surely, 2^18741236976 is an apocalyptic number.

18741236976 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 18741236976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34933915128).

18741236976 is an abundant number, since it is smaller than the sum of its proper divisors (51126593280).

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

18741236976 is a wasteful number, since it uses less digits than its factorization.

18741236976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 294 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The spelling of 18741236976 in words is "eighteen billion, seven hundred forty-one million, two hundred thirty-six thousand, nine hundred seventy-six".