6355664730 has 64 divisors (see below), whose sum is σ = 17840476800. Its totient is φ = 1605640320.

The previous prime is 6355664719. The next prime is 6355664743. The reversal of 6355664730 is 374665536.

6355664730 is a `hidden beast` number, since 6 + 3 + 556 + 64 + 7 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 614331 + ... + 624590.

It is an arithmetic number, because the mean of its divisors is an integer number (278757450).

Almost surely, 2^6355664730 is an apocalyptic number.

6355664730 is an abundant number, since it is smaller than the sum of its proper divisors (11484812070).

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

6355664730 is a wasteful number, since it uses less digits than its factorization.

6355664730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238956 (or 1238950 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 45.

The square root of 6355664730 is about 79722.4230063287. The cubic root of 6355664730 is about 1852.3383851535.

The spelling of 6355664730 in words is "six billion, three hundred fifty-five million, six hundred sixty-four thousand, seven hundred thirty".