1768625164 has 6 divisors (see below), whose sum is σ = 3095094044. Its totient is φ = 884312580.

The previous prime is 1768625147. The next prime is 1768625167. The reversal of 1768625164 is 4615268671.

It is not an unprimeable number, because it can be changed into a prime (1768625167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221078142 + ... + 221078149.

Almost surely, 2^1768625164 is an apocalyptic number.

It is an amenable number.

1768625164 is a deficient number, since it is larger than the sum of its proper divisors (1326468880).

1768625164 is a wasteful number, since it uses less digits than its factorization.

1768625164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442156295 (or 442156293 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 1768625164 is about 42055.0254309755. The cubic root of 1768625164 is about 1209.3312252685.

The spelling of 1768625164 in words is "one billion, seven hundred sixty-eight million, six hundred twenty-five thousand, one hundred sixty-four".