6366456426 has 64 divisors (see below), whose sum is σ = 14643348480. Its totient is φ = 1824963840.

The previous prime is 6366456409. The next prime is 6366456493. The reversal of 6366456426 is 6246546636.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 928306 + ... + 935138.

It is an arithmetic number, because the mean of its divisors is an integer number (228802320).

Almost surely, 2^6366456426 is an apocalyptic number.

6366456426 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6366456426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7321674240).

6366456426 is an abundant number, since it is smaller than the sum of its proper divisors (8276892054).

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

6366456426 is a wasteful number, since it uses less digits than its factorization.

6366456426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7611.

The product of its digits is 3732480, while the sum is 48.

The square root of 6366456426 is about 79790.0772402183. The cubic root of 6366456426 is about 1853.3861942192.

The spelling of 6366456426 in words is "six billion, three hundred sixty-six million, four hundred fifty-six thousand, four hundred twenty-six".