6532994064 has 40 divisors (see below), whose sum is σ = 17421321472. Its totient is φ = 2107416960.

The previous prime is 6532994063. The next prime is 6532994113. The reversal of 6532994064 is 4604992356.

It is a super-2 number, since 2×6532994064² = 85360022880518472192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (6532994063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2193739 + ... + 2196714.

Almost surely, 2^6532994064 is an apocalyptic number.

It is an amenable number.

6532994064 is an abundant number, since it is smaller than the sum of its proper divisors (10888327408).

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

6532994064 is a wasteful number, since it uses less digits than its factorization.

6532994064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4390495 (or 4390489 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 48.

The square root of 6532994064 is about 80826.9389745770. The cubic root of 6532994064 is about 1869.4079611319.

The spelling of 6532994064 in words is "six billion, five hundred thirty-two million, nine hundred ninety-four thousand, sixty-four".