66045536 has 24 divisors (see below), whose sum is σ = 131249160. Its totient is φ = 32712448.

The previous prime is 66045533. The next prime is 66045559. The reversal of 66045536 is 63554066.

It is a junction number, because it is equal to n+sod(n) for n = 66045496 and 66045505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66045533) 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, 6221 + ... + 13068.

It is an arithmetic number, because the mean of its divisors is an integer number (5468715).

Almost surely, 2^66045536 is an apocalyptic number.

It is an amenable number.

66045536 is a deficient number, since it is larger than the sum of its proper divisors (65203624).

66045536 is a wasteful number, since it uses less digits than its factorization.

66045536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19406 (or 19398 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 66045536 is about 8126.8404684724. The cubic root of 66045536 is about 404.2169210524.

The spelling of 66045536 in words is "sixty-six million, forty-five thousand, five hundred thirty-six".