6566807763020 has 48 divisors (see below), whose sum is σ = 13918029158880. Its totient is φ = 2602397251584.

The previous prime is 6566807762941. The next prime is 6566807763031. The reversal of 6566807763020 is 203677086656.

It is a super-4 number, since 4×6566807763020⁴ (a number of 52 digits) contains 4444 as substring.

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, 26006012 + ... + 26257308.

It is an arithmetic number, because the mean of its divisors is an integer number (289958940810).

Almost surely, 2^{6566807763020} is an apocalyptic number.

It is an amenable number.

6566807763020 is an abundant number, since it is smaller than the sum of its proper divisors (7351221395860).

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

6566807763020 is a wasteful number, since it uses less digits than its factorization.

6566807763020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263402 (or 263400 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 56.

The spelling of 6566807763020 in words is "six trillion, five hundred sixty-six billion, eight hundred seven million, seven hundred sixty-three thousand, twenty".