1173211664 has 20 divisors (see below), whose sum is σ = 2284526400. Its totient is φ = 583656480.

The previous prime is 1173211609. The next prime is 1173211673. The reversal of 1173211664 is 4661123711.

It is a self number, because there is not a number n which added to its sum of digits gives 1173211664.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181052 + ... + 187419.

It is an arithmetic number, because the mean of its divisors is an integer number (114226320).

Almost surely, 2^1173211664 is an apocalyptic number.

It is an amenable number.

1173211664 is a deficient number, since it is larger than the sum of its proper divisors (1111314736).

1173211664 is a wasteful number, since it uses less digits than its factorization.

1173211664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368678 (or 368672 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 1173211664 is about 34252.1775074228. The cubic root of 1173211664 is about 1054.6915277025.

The spelling of 1173211664 in words is "one billion, one hundred seventy-three million, two hundred eleven thousand, six hundred sixty-four".