628094166 has 64 divisors (see below), whose sum is σ = 1538638848. Its totient is φ = 167004288.

The previous prime is 628094119. The next prime is 628094167. The reversal of 628094166 is 661490826.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628094167) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 26956 + ... + 44528.

It is an arithmetic number, because the mean of its divisors is an integer number (24041232).

Almost surely, 2^628094166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 628094166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (769319424).

628094166 is an abundant number, since it is smaller than the sum of its proper divisors (910544682).

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

628094166 is a wasteful number, since it uses less digits than its factorization.

628094166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17645.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 628094166 is about 25061.8069180975. The cubic root of 628094166 is about 856.3965712396.

The spelling of 628094166 in words is "six hundred twenty-eight million, ninety-four thousand, one hundred sixty-six".