64116426 has 32 divisors (see below), whose sum is σ = 141144768. Its totient is φ = 19255040.

The previous prime is 64116383. The next prime is 64116427. The reversal of 64116426 is 62461146.

It is a super-2 number, since 2×64116426² = 8221832166026952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64116393 and 64116402.

It is not an unprimeable number, because it can be changed into a prime (64116427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3160 + ... + 11756.

It is an arithmetic number, because the mean of its divisors is an integer number (4410774).

Almost surely, 2^64116426 is an apocalyptic number.

64116426 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 64116426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70572384).

64116426 is an abundant number, since it is smaller than the sum of its proper divisors (77028342).

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

64116426 is a wasteful number, since it uses less digits than its factorization.

64116426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8726.

The product of its digits is 6912, while the sum is 30.

The square root of 64116426 is about 8007.2733186772. The cubic root of 64116426 is about 400.2424072338.

The spelling of 64116426 in words is "sixty-four million, one hundred sixteen thousand, four hundred twenty-six".