6165425777644 has 12 divisors (see below), whose sum is σ = 12330851555344. Its totient is φ = 2642325333264.

The previous prime is 6165425777633. The next prime is 6165425777663. The reversal of 6165425777644 is 4467775245616.

6165425777644 is an admirable number.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110096888859 + ... + 110096888914.

Almost surely, 2^{6165425777644} is an apocalyptic number.

It is an amenable number.

6165425777644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6165425777644 is a wasteful number, since it uses less digits than its factorization.

6165425777644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220193777784 (or 220193777782 counting only the distinct ones).

The product of its digits is 237081600, while the sum is 64.

The spelling of 6165425777644 in words is "six trillion, one hundred sixty-five billion, four hundred twenty-five million, seven hundred seventy-seven thousand, six hundred forty-four".