66356230 has 16 divisors (see below), whose sum is σ = 120384000. Its totient is φ = 26332992.

The previous prime is 66356221. The next prime is 66356239. The reversal of 66356230 is 3265366.

It is an interprime number because it is at equal distance from previous prime (66356221) and next prime (66356239).

It is a junction number, because it is equal to n+sod(n) for n = 66356192 and 66356201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66356239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24855 + ... + 27394.

It is an arithmetic number, because the mean of its divisors is an integer number (7524000).

Almost surely, 2^66356230 is an apocalyptic number.

66356230 is a deficient number, since it is larger than the sum of its proper divisors (54027770).

66356230 is a wasteful number, since it uses less digits than its factorization.

66356230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52383.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 66356230 is about 8145.9333412446. The cubic root of 66356230 is about 404.8497740862.

The spelling of 66356230 in words is "sixty-six million, three hundred fifty-six thousand, two hundred thirty".