6248771664 has 40 divisors (see below), whose sum is σ = 16260506880. Its totient is φ = 2067717888.

The previous prime is 6248771611. The next prime is 6248771671. The reversal of 6248771664 is 4661778426.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468544 + ... + 481695.

It is an arithmetic number, because the mean of its divisors is an integer number (406512672).

Almost surely, 2^6248771664 is an apocalyptic number.

It is an amenable number.

6248771664 is an abundant number, since it is smaller than the sum of its proper divisors (10011735216).

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

6248771664 is a wasteful number, since it uses less digits than its factorization.

6248771664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950387 (or 950381 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 51.

The square root of 6248771664 is about 79049.1724434861. The cubic root of 6248771664 is about 1841.8950686535.

The spelling of 6248771664 in words is "six billion, two hundred forty-eight million, seven hundred seventy-one thousand, six hundred sixty-four".