65816230 has 32 divisors (see below), whose sum is σ = 121888800. Its totient is φ = 25573632.

The previous prime is 65816227. The next prime is 65816237. The reversal of 65816230 is 3261856.

It is a super-2 number, since 2×65816230² = 8663552262825800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65816192 and 65816201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65816237) 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, 115386 + ... + 115954.

It is an arithmetic number, because the mean of its divisors is an integer number (3809025).

Almost surely, 2^65816230 is an apocalyptic number.

65816230 is a deficient number, since it is larger than the sum of its proper divisors (56072570).

65816230 is a wasteful number, since it uses less digits than its factorization.

65816230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 65816230 is about 8112.7202589514. The cubic root of 65816230 is about 403.7485732584.

The spelling of 65816230 in words is "sixty-five million, eight hundred sixteen thousand, two hundred thirty".