66496236 has 12 divisors (see below), whose sum is σ = 155157912. Its totient is φ = 22165408.

The previous prime is 66496229. The next prime is 66496247. The reversal of 66496236 is 63269466.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2770665 + ... + 2770688.

It is an arithmetic number, because the mean of its divisors is an integer number (12929826).

Almost surely, 2^66496236 is an apocalyptic number.

It is an amenable number.

66496236 is an abundant number, since it is smaller than the sum of its proper divisors (88661676).

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

66496236 is a wasteful number, since it uses less digits than its factorization.

66496236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5541360 (or 5541358 counting only the distinct ones).

The product of its digits is 279936, while the sum is 42.

The square root of 66496236 is about 8154.5224262369. The cubic root of 66496236 is about 405.1343069268.

The spelling of 66496236 in words is "sixty-six million, four hundred ninety-six thousand, two hundred thirty-six".