6925249566 has 24 divisors (see below), whose sum is σ = 15370677504. Its totient is φ = 2252113440.

The previous prime is 6925249537. The next prime is 6925249567. The reversal of 6925249566 is 6659425296.

6925249566 is a `hidden beast` number, since 6 + 92 + 5 + 2 + 495 + 66 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6925249567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4691166 + ... + 4692641.

It is an arithmetic number, because the mean of its divisors is an integer number (640444896).

Almost surely, 2^6925249566 is an apocalyptic number.

6925249566 is an abundant number, since it is smaller than the sum of its proper divisors (8445427938).

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

6925249566 is a wasteful number, since it uses less digits than its factorization.

6925249566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9383856 (or 9383853 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 54.

The square root of 6925249566 is about 83218.0843687236. The cubic root of 6925249566 is about 1906.0976368040.

The spelling of 6925249566 in words is "six billion, nine hundred twenty-five million, two hundred forty-nine thousand, five hundred sixty-six".