1204956664 has 64 divisors (see below), whose sum is σ = 2369664000. Its totient is φ = 573955200.

The previous prime is 1204956659. The next prime is 1204956673. The reversal of 1204956664 is 4666594021.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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 1204956664.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2744557 + ... + 2744995.

It is an arithmetic number, because the mean of its divisors is an integer number (37026000).

Almost surely, 2^1204956664 is an apocalyptic number.

It is an amenable number.

1204956664 is a deficient number, since it is larger than the sum of its proper divisors (1164707336).

1204956664 is a wasteful number, since it uses less digits than its factorization.

1204956664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 1204956664 is about 34712.4857075952. The cubic root of 1204956664 is about 1064.1196819224.

The spelling of 1204956664 in words is "one billion, two hundred four million, nine hundred fifty-six thousand, six hundred sixty-four".