6225664744464 has 80 divisors (see below), whose sum is σ = 17556517334784. Its totient is φ = 1885332585600.

The previous prime is 6225664744463. The next prime is 6225664744469. The reversal of 6225664744464 is 4644474665226.

It is a junction number, because it is equal to n+sod(n) for n = 6225664744398 and 6225664744407.

It is not an unprimeable number, because it can be changed into a prime (6225664744463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3042394 + ... + 4659129.

Almost surely, 2^{6225664744464} is an apocalyptic number.

It is an amenable number.

6225664744464 is an abundant number, since it is smaller than the sum of its proper divisors (11330852590320).

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

6225664744464 is a wasteful number, since it uses less digits than its factorization.

6225664744464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7703076 (or 7703070 counting only the distinct ones).

The product of its digits is 185794560, while the sum is 60.

The spelling of 6225664744464 in words is "six trillion, two hundred twenty-five billion, six hundred sixty-four million, seven hundred forty-four thousand, four hundred sixty-four".