426116664 has 48 divisors (see below), whose sum is σ = 1178629920. Its totient is φ = 139015680.

The previous prime is 426116657. The next prime is 426116671. The reversal of 426116664 is 466611624.

It is an interprime number because it is at equal distance from previous prime (426116657) and next prime (426116671).

It is a super-2 number, since 2×426116664² = 363150822676977792, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59577 + ... + 66344.

It is an arithmetic number, because the mean of its divisors is an integer number (24554790).

Almost surely, 2^426116664 is an apocalyptic number.

It is an amenable number.

426116664 is an abundant number, since it is smaller than the sum of its proper divisors (752513256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426116664 is a wasteful number, since it uses less digits than its factorization.

426116664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125980 (or 125973 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 426116664 is about 20642.5934417166. The cubic root of 426116664 is about 752.5052013047.

The spelling of 426116664 in words is "four hundred twenty-six million, one hundred sixteen thousand, six hundred sixty-four".