6205770664 has 32 divisors (see below), whose sum is σ = 11959960320. Its totient is φ = 3017097216.

The previous prime is 6205770653. The next prime is 6205770667. The reversal of 6205770664 is 4660775026.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 6205770664.

It is not an unprimeable number, because it can be changed into a prime (6205770667) 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, 36264 + ... + 117160.

It is an arithmetic number, because the mean of its divisors is an integer number (373748760).

Almost surely, 2^6205770664 is an apocalyptic number.

It is an amenable number.

6205770664 is a deficient number, since it is larger than the sum of its proper divisors (5754189656).

6205770664 is a wasteful number, since it uses less digits than its factorization.

6205770664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81169 (or 81165 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 43.

The square root of 6205770664 is about 78776.7139705637. The cubic root of 6205770664 is about 1837.6603320014.

The spelling of 6205770664 in words is "six billion, two hundred five million, seven hundred seventy thousand, six hundred sixty-four".