426116663 has 8 divisors (see below), whose sum is σ = 487715232. Its totient is φ = 364699296.

The previous prime is 426116657. The next prime is 426116671. The reversal of 426116663 is 366611624.

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 426116663 - 2¹⁰ = 426115639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426116863) 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, 40220 + ... + 49697.

It is an arithmetic number, because the mean of its divisors is an integer number (60964404).

Almost surely, 2^426116663 is an apocalyptic number.

426116663 is a deficient number, since it is larger than the sum of its proper divisors (61598569).

426116663 is an equidigital number, since it uses as much as digits as its factorization.

426116663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90601.

The product of its digits is 31104, while the sum is 35.

The square root of 426116663 is about 20642.5934174948. The cubic root of 426116663 is about 752.5052007161.

The spelling of 426116663 in words is "four hundred twenty-six million, one hundred sixteen thousand, six hundred sixty-three".