745660168 has 32 divisors (see below), whose sum is σ = 1605492000. Its totient is φ = 321096960.

The previous prime is 745660129. The next prime is 745660189. The reversal of 745660168 is 861066547.

It is a happy number.

745660168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×745660168² = 1112018172283576448, which contains 22 as substring.

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, 221313 + ... + 224656.

It is an arithmetic number, because the mean of its divisors is an integer number (50171625).

Almost surely, 2^745660168 is an apocalyptic number.

It is an amenable number.

745660168 is an abundant number, since it is smaller than the sum of its proper divisors (859831832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

745660168 is a wasteful number, since it uses less digits than its factorization.

745660168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446005 (or 446001 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 745660168 is about 27306.7787920875. The cubic root of 745660168 is about 906.8044613474.

The spelling of 745660168 in words is "seven hundred forty-five million, six hundred sixty thousand, one hundred sixty-eight".