5621250166 has 32 divisors (see below), whose sum is σ = 9690004800. Its totient is φ = 2395754496.

The previous prime is 5621250157. The next prime is 5621250179. The reversal of 5621250166 is 6610521265.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2114310 + ... + 2116966.

It is an arithmetic number, because the mean of its divisors is an integer number (302812650).

Almost surely, 2^5621250166 is an apocalyptic number.

5621250166 is a deficient number, since it is larger than the sum of its proper divisors (4068754634).

5621250166 is a wasteful number, since it uses less digits than its factorization.

5621250166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3448.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 5621250166 is about 74974.9969389796. The cubic root of 5621250166 is about 1778.0513715232.

The spelling of 5621250166 in words is "five billion, six hundred twenty-one million, two hundred fifty thousand, one hundred sixty-six".