66480536 has 16 divisors (see below), whose sum is σ = 124990800. Its totient is φ = 33149664.

The previous prime is 66480521. The next prime is 66480539. The reversal of 66480536 is 63508466.

It is a self number, because there is not a number n which added to its sum of digits gives 66480536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66480539) 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, 8156 + ... + 14123.

It is an arithmetic number, because the mean of its divisors is an integer number (7811925).

Almost surely, 2^66480536 is an apocalyptic number.

It is an amenable number.

66480536 is a deficient number, since it is larger than the sum of its proper divisors (58510264).

66480536 is a wasteful number, since it uses less digits than its factorization.

66480536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22658 (or 22654 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 66480536 is about 8153.5597134013. The cubic root of 66480536 is about 405.1024198624.

The spelling of 66480536 in words is "sixty-six million, four hundred eighty thousand, five hundred thirty-six".