426166111 has 8 divisors (see below), whose sum is σ = 500210720. Its totient is φ = 355412448.

The previous prime is 426166079. The next prime is 426166121. The reversal of 426166111 is 111661624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 426166111 - 2⁵ = 426166079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 426166111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426166121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 822456 + ... + 822973.

It is an arithmetic number, because the mean of its divisors is an integer number (62526340).

Almost surely, 2^426166111 is an apocalyptic number.

426166111 is a deficient number, since it is larger than the sum of its proper divisors (74044609).

426166111 is a wasteful number, since it uses less digits than its factorization.

426166111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645473.

The product of its digits is 1728, while the sum is 28.

The square root of 426166111 is about 20643.7911004738. The cubic root of 426166111 is about 752.5343073287.

The spelling of 426166111 in words is "four hundred twenty-six million, one hundred sixty-six thousand, one hundred eleven".