745022166 has 96 divisors (see below), whose sum is σ = 1784008800. Its totient is φ = 206728704.

The previous prime is 745022149. The next prime is 745022227. The reversal of 745022166 is 661220547.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 47 ways as a sum of consecutive naturals, for example, 2134560 + ... + 2134908.

It is an arithmetic number, because the mean of its divisors is an integer number (18583425).

Almost surely, 2^745022166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745022166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (892004400).

745022166 is an abundant number, since it is smaller than the sum of its proper divisors (1038986634).

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

745022166 is a wasteful number, since it uses less digits than its factorization.

745022166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 745022166 is about 27295.0941745948. The cubic root of 745022166 is about 906.5457607724.

The spelling of 745022166 in words is "seven hundred forty-five million, twenty-two thousand, one hundred sixty-six".