4026621166 has 4 divisors (see below), whose sum is σ = 6039931752. Its totient is φ = 2013310582.

The previous prime is 4026621149. The next prime is 4026621167. The reversal of 4026621166 is 6611266204.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4026621167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006655290 + ... + 1006655293.

It is an arithmetic number, because the mean of its divisors is an integer number (1509982938).

Almost surely, 2^4026621166 is an apocalyptic number.

4026621166 is a deficient number, since it is larger than the sum of its proper divisors (2013310586).

4026621166 is a wasteful number, since it uses less digits than its factorization.

4026621166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013310585.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 4026621166 is about 63455.6629939362. The cubic root of 4026621166 is about 1590.9148073458.

The spelling of 4026621166 in words is "four billion, twenty-six million, six hundred twenty-one thousand, one hundred sixty-six".