6248786064664 has 64 divisors (see below), whose sum is σ = 13766976347040. Its totient is φ = 2621455349760.

The previous prime is 6248786064649. The next prime is 6248786064667. The reversal of 6248786064664 is 4664606878426.

It is a happy number.

It is a hoax number, since the sum of its digits (67) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6248786064664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6248786064667) 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, 6891232 + ... + 7745104.

Almost surely, 2^{6248786064664} is an apocalyptic number.

It is an amenable number.

6248786064664 is an abundant number, since it is smaller than the sum of its proper divisors (7518190282376).

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

6248786064664 is a wasteful number, since it uses less digits than its factorization.

6248786064664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860300 (or 860296 counting only the distinct ones).

The product of its (nonzero) digits is 445906944, while the sum is 67.

The spelling of 6248786064664 in words is "six trillion, two hundred forty-eight billion, seven hundred eighty-six million, sixty-four thousand, six hundred sixty-four".