7994972160000 has 2700 divisors, whose sum is σ = 36265146725808. Its totient is φ = 1719926784000.

The previous prime is 7994972159963. The next prime is 7994972160041. The reversal of 7994972160000 is 612794997.

7994972160000 is a `hidden beast` number, since 7 + 9 + 9 + 4 + 9 + 7 + 21 + 600 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2700).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 470292479992 + ... + 470292480008.

Almost surely, 2^{7994972160000} is an apocalyptic number.

7994972160000 is a gapful number since it is divisible by the number (70) 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 7994972160000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18132573362904).

7994972160000 is an abundant number, since it is smaller than the sum of its proper divisors (28270174565808).

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

7994972160000 is an frugal number, since it uses more digits than its factorization.

7994972160000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 54.

The spelling of 7994972160000 in words is "seven trillion, nine hundred ninety-four billion, nine hundred seventy-two million, one hundred sixty thousand".