2660550456 has 32 divisors (see below), whose sum is σ = 7042634640. Its totient is φ = 834682368.

The previous prime is 2660550443. The next prime is 2660550457. The reversal of 2660550456 is 6540550662.

It is a happy number.

2660550456 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660550457) 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, 3260071 + ... + 3260886.

Almost surely, 2^2660550456 is an apocalyptic number.

It is an amenable number.

2660550456 is an abundant number, since it is smaller than the sum of its proper divisors (4382084184).

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

2660550456 is a wasteful number, since it uses less digits than its factorization.

2660550456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6520983 (or 6520979 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The square root of 2660550456 is about 51580.5239988893. The cubic root of 2660550456 is about 1385.6615512213.

The spelling of 2660550456 in words is "two billion, six hundred sixty million, five hundred fifty thousand, four hundred fifty-six".