7643375991360 has 560 divisors, whose sum is σ = 27893435866560. Its totient is φ = 1986039336960.

The previous prime is 7643375991311. The next prime is 7643375991397. The reversal of 7643375991360 is 631995733467.

7643375991360 is a `hidden beast` number, since 7 + 6 + 4 + 3 + 3 + 7 + 599 + 1 + 36 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 169157251 + ... + 169202429.

Almost surely, 2^{7643375991360} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7643375991360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13946717933280).

7643375991360 is an abundant number, since it is smaller than the sum of its proper divisors (20250059875200).

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

7643375991360 is a wasteful number, since it uses less digits than its factorization.

7643375991360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45376 (or 45357 counting only the distinct ones).

The product of its (nonzero) digits is 77157360, while the sum is 63.

The spelling of 7643375991360 in words is "seven trillion, six hundred forty-three billion, three hundred seventy-five million, nine hundred ninety-one thousand, three hundred sixty".