6566145152 has 64 divisors (see below), whose sum is σ = 15267882240. Its totient is φ = 2754170880.

The previous prime is 6566145151. The next prime is 6566145169. The reversal of 6566145152 is 2515416656.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×6566145152² = 86228524314266206208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6566145151) 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, 35849 + ... + 120072.

It is an arithmetic number, because the mean of its divisors is an integer number (238560660).

Almost surely, 2^6566145152 is an apocalyptic number.

It is an amenable number.

6566145152 is an abundant number, since it is smaller than the sum of its proper divisors (8701737088).

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

6566145152 is a wasteful number, since it uses less digits than its factorization.

6566145152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155989 (or 155977 counting only the distinct ones).

The product of its digits is 216000, while the sum is 41.

The square root of 6566145152 is about 81031.7539733653. The cubic root of 6566145152 is about 1872.5646749058.

The spelling of 6566145152 in words is "six billion, five hundred sixty-six million, one hundred forty-five thousand, one hundred fifty-two".