1768564652 has 24 divisors (see below), whose sum is σ = 3203427360. Its totient is φ = 853332480.

The previous prime is 1768564639. The next prime is 1768564667. The reversal of 1768564652 is 2564658671.

It is a super-2 number, since 2×1768564652² = 6255641856607762208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1768564652.

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, 332252 + ... + 337532.

It is an arithmetic number, because the mean of its divisors is an integer number (133476140).

Almost surely, 2^1768564652 is an apocalyptic number.

It is an amenable number.

1768564652 is a deficient number, since it is larger than the sum of its proper divisors (1434862708).

1768564652 is a wasteful number, since it uses less digits than its factorization.

1768564652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8201 (or 8199 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 50.

The square root of 1768564652 is about 42054.3059864266. The cubic root of 1768564652 is about 1209.3174330327.

The spelling of 1768564652 in words is "one billion, seven hundred sixty-eight million, five hundred sixty-four thousand, six hundred fifty-two".