628113166 has 4 divisors (see below), whose sum is σ = 942169752. Its totient is φ = 314056582.

The previous prime is 628113163. The next prime is 628113181. The reversal of 628113166 is 661311826.

It is a happy number.

628113166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×628113166² = 789052298605087112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628113163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157028290 + ... + 157028293.

It is an arithmetic number, because the mean of its divisors is an integer number (235542438).

Almost surely, 2^628113166 is an apocalyptic number.

628113166 is a deficient number, since it is larger than the sum of its proper divisors (314056586).

628113166 is a wasteful number, since it uses less digits than its factorization.

628113166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314056585.

The product of its digits is 10368, while the sum is 34.

The square root of 628113166 is about 25062.1859780826. The cubic root of 628113166 is about 856.4052065535.

The spelling of 628113166 in words is "six hundred twenty-eight million, one hundred thirteen thousand, one hundred sixty-six".