66086430 has 32 divisors (see below), whose sum is σ = 158843808. Its totient is φ = 17596800.

The previous prime is 66086411. The next prime is 66086437. The reversal of 66086430 is 3468066.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66086391 and 66086400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66086437) 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, 27060 + ... + 29400.

It is an arithmetic number, because the mean of its divisors is an integer number (4963869).

Almost surely, 2^66086430 is an apocalyptic number.

66086430 is an abundant number, since it is smaller than the sum of its proper divisors (92757378).

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

66086430 is a wasteful number, since it uses less digits than its factorization.

66086430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3292.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 66086430 is about 8129.3560630594. The cubic root of 66086430 is about 404.3003313642.

The spelling of 66086430 in words is "sixty-six million, eighty-six thousand, four hundred thirty".