6925192565661 has 8 divisors (see below), whose sum is σ = 10259544541760. Its totient is φ = 4616795043756.

The previous prime is 6925192565659. The next prime is 6925192565663. The reversal of 6925192565661 is 1665652915296.

It is a happy number.

6925192565661 is a `hidden beast` number, since 6 + 9 + 2 + 5 + 1 + 9 + 2 + 565 + 6 + 61 = 666.

It is an interprime number because it is at equal distance from previous prime (6925192565659) and next prime (6925192565663).

It is not a de Polignac number, because 6925192565661 - 2¹ = 6925192565659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6925192565663) 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, 128244306745 + ... + 128244306798.

It is an arithmetic number, because the mean of its divisors is an integer number (1282443067720).

Almost surely, 2^{6925192565661} is an apocalyptic number.

It is an amenable number.

6925192565661 is a deficient number, since it is larger than the sum of its proper divisors (3334351976099).

6925192565661 is a wasteful number, since it uses less digits than its factorization.

6925192565661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256488613552 (or 256488613546 counting only the distinct ones).

The product of its digits is 52488000, while the sum is 63.

The spelling of 6925192565661 in words is "six trillion, nine hundred twenty-five billion, one hundred ninety-two million, five hundred sixty-five thousand, six hundred sixty-one".