18992346048 has 280 divisors, whose sum is σ = 63271225248. Its totient is φ = 5589264384.

The previous prime is 18992346047. The next prime is 18992346053. The reversal of 18992346048 is 84064329981.

18992346048 is a `hidden beast` number, since 1 + 8 + 9 + 9 + 23 + 4 + 604 + 8 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 18992345985 and 18992346003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18992346047) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1543890 + ... + 1556142.

Almost surely, 2^18992346048 is an apocalyptic number.

18992346048 is a gapful number since it is divisible by the number (18) 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 18992346048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31635612624).

18992346048 is an abundant number, since it is smaller than the sum of its proper divisors (44278879200).

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

18992346048 is a wasteful number, since it uses less digits than its factorization.

18992346048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12313 (or 12294 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 18992346048 in words is "eighteen billion, nine hundred ninety-two million, three hundred forty-six thousand, forty-eight".