8534193664 has 40 divisors (see below), whose sum is σ = 18054779688. Its totient is φ = 4016087040.

The previous prime is 8534193641. The next prime is 8534193697. The reversal of 8534193664 is 4663914358.

It is a happy number.

It is a super-2 number, since 2×8534193664² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481542 + ... + 498949.

Almost surely, 2^8534193664 is an apocalyptic number.

It is an amenable number.

8534193664 is an abundant number, since it is smaller than the sum of its proper divisors (9520586024).

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

8534193664 is an equidigital number, since it uses as much as digits as its factorization.

8534193664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980526 (or 980510 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 49.

The square root of 8534193664 is about 92380.6996293057. The cubic root of 8534193664 is about 2043.5604923568.

The spelling of 8534193664 in words is "eight billion, five hundred thirty-four million, one hundred ninety-three thousand, six hundred sixty-four".