7564056163974 has 48 divisors (see below), whose sum is σ = 16548344993232. Its totient is φ = 2496823087104.

The previous prime is 7564056163973. The next prime is 7564056163991. The reversal of 7564056163974 is 4793616504657.

It is a happy number.

7564056163974 is a `hidden beast` number, since 7 + 5 + 6 + 4 + 0 + 5 + 616 + 3 + 9 + 7 + 4 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7564056163973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4236822 + ... + 5751414.

It is an arithmetic number, because the mean of its divisors is an integer number (344757187359).

Almost surely, 2^{7564056163974} is an apocalyptic number.

7564056163974 is an abundant number, since it is smaller than the sum of its proper divisors (8984288829258).

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

7564056163974 is a wasteful number, since it uses less digits than its factorization.

7564056163974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517301 (or 1517298 counting only the distinct ones).

The product of its (nonzero) digits is 114307200, while the sum is 63.

The spelling of 7564056163974 in words is "seven trillion, five hundred sixty-four billion, fifty-six million, one hundred sixty-three thousand, nine hundred seventy-four".