1000565664460 has 24 divisors (see below), whose sum is σ = 2107422888480. Its totient is φ = 399038648064.

The previous prime is 1000565664451. The next prime is 1000565664503. The reversal of 1000565664460 is 644665650001.

It is a super-2 number, since 2×1000565664460² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74219200 + ... + 74232679.

It is an arithmetic number, because the mean of its divisors is an integer number (87809287020).

Almost surely, 2^{1000565664460} is an apocalyptic number.

1000565664460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000565664460 is an abundant number, since it is smaller than the sum of its proper divisors (1106857224020).

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

1000565664460 is a wasteful number, since it uses less digits than its factorization.

1000565664460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148452225 (or 148452223 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 1000565664460 in words is "one trillion, five hundred sixty-five million, six hundred sixty-four thousand, four hundred sixty".