66246436 has 12 divisors (see below), whose sum is σ = 116249728. Its totient is φ = 33032232.

The previous prime is 66246431. The next prime is 66246437. The reversal of 66246436 is 63464266.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 66246395 and 66246404.

It is not an unprimeable number, because it can be changed into a prime (66246431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21096 + ... + 24031.

Almost surely, 2^66246436 is an apocalyptic number.

It is an amenable number.

66246436 is a deficient number, since it is larger than the sum of its proper divisors (50003292).

66246436 is a wasteful number, since it uses less digits than its factorization.

66246436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45498 (or 45496 counting only the distinct ones).

The product of its digits is 124416, while the sum is 37.

The square root of 66246436 is about 8139.1913603257. The cubic root of 66246436 is about 404.6263606777.

The spelling of 66246436 in words is "sixty-six million, two hundred forty-six thousand, four hundred thirty-six".