6475772660 has 48 divisors (see below), whose sum is σ = 16359853440. Its totient is φ = 2103408000.

The previous prime is 6475772657. The next prime is 6475772707. The reversal of 6475772660 is 662775746.

It is a junction number, because it is equal to n+sod(n) for n = 6475772599 and 6475772608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1214591 + ... + 1219910.

It is an arithmetic number, because the mean of its divisors is an integer number (340830280).

Almost surely, 2^6475772660 is an apocalyptic number.

It is an amenable number.

6475772660 is an abundant number, since it is smaller than the sum of its proper divisors (9884080780).

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

6475772660 is a wasteful number, since it uses less digits than its factorization.

6475772660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434536 (or 2434534 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 50.

The square root of 6475772660 is about 80472.1856295702. The cubic root of 6475772660 is about 1863.9340040152.

The spelling of 6475772660 in words is "six billion, four hundred seventy-five million, seven hundred seventy-two thousand, six hundred sixty".