748668181564 has 12 divisors (see below), whose sum is σ = 1313923387000. Its totient is φ = 373261499568.

The previous prime is 748668181517. The next prime is 748668181579. The reversal of 748668181564 is 465181866847.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 748668181496 and 748668181505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268146234 + ... + 268149025.

Almost surely, 2^748668181564 is an apocalyptic number.

It is an amenable number.

748668181564 is a deficient number, since it is larger than the sum of its proper divisors (565255205436).

748668181564 is a wasteful number, since it uses less digits than its factorization.

748668181564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536295612 (or 536295610 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 64.

The spelling of 748668181564 in words is "seven hundred forty-eight billion, six hundred sixty-eight million, one hundred eighty-one thousand, five hundred sixty-four".