18047692654992 has 1920 divisors, whose sum is σ = 73283629547520. Its totient is φ = 4184763264000.

The previous prime is 18047692654969. The next prime is 18047692654993. The reversal of 18047692654992 is 29945629674081.

18047692654992 is a `hidden beast` number, since 1 + 8 + 0 + 4 + 76 + 9 + 2 + 6 + 549 + 9 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 18047692654992.

It is not an unprimeable number, because it can be changed into a prime (18047692654993) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 11944203517 + ... + 11944205027.

It is an arithmetic number, because the mean of its divisors is an integer number (38168557056).

Almost surely, 2^{18047692654992} is an apocalyptic number.

18047692654992 is a gapful number since it is divisible by the number (12) 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 18047692654992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36641814773760).

18047692654992 is an abundant number, since it is smaller than the sum of its proper divisors (55235936892528).

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

18047692654992 is a wasteful number, since it uses less digits than its factorization.

18047692654992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613 (or 1578 counting only the distinct ones).

The product of its (nonzero) digits is 470292480, while the sum is 72.

The spelling of 18047692654992 in words is "eighteen trillion, forty-seven billion, six hundred ninety-two million, six hundred fifty-four thousand, nine hundred ninety-two".