6564740076 has 18 divisors (see below), whose sum is σ = 16594204172. Its totient is φ = 2188246680.

The previous prime is 6564740071. The next prime is 6564740081. The reversal of 6564740076 is 6700474656.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6564740071) and next prime (6564740081).

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6564740071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 91176910 + ... + 91176981.

Almost surely, 2^6564740076 is an apocalyptic number.

It is an amenable number.

6564740076 is an abundant number, since it is smaller than the sum of its proper divisors (10029464096).

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

6564740076 is a wasteful number, since it uses less digits than its factorization.

6564740076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182353901 (or 182353896 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The square root of 6564740076 is about 81023.0835996755. The cubic root of 6564740076 is about 1872.4310966129.

The spelling of 6564740076 in words is "six billion, five hundred sixty-four million, seven hundred forty thousand, seventy-six".