66414612 has 48 divisors (see below), whose sum is σ = 169670592. Its totient is φ = 20052480.

The previous prime is 66414583. The next prime is 66414637. The reversal of 66414612 is 21641466.

66414612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×66414612² = 8821801374221088, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 66414612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43738 + ... + 45230.

It is an arithmetic number, because the mean of its divisors is an integer number (3534804).

Almost surely, 2^66414612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66414612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84835296).

66414612 is an abundant number, since it is smaller than the sum of its proper divisors (103255980).

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

66414612 is a wasteful number, since it uses less digits than its factorization.

66414612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848 (or 1846 counting only the distinct ones).

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

The square root of 66414612 is about 8149.5160592516. The cubic root of 66414612 is about 404.9684718636.

The spelling of 66414612 in words is "sixty-six million, four hundred fourteen thousand, six hundred twelve".