66045533260336 has 40 divisors (see below), whose sum is σ = 146245328699904. Its totient is φ = 28304909590080.

The previous prime is 66045533260327. The next prime is 66045533260393. The reversal of 66045533260336 is 63306233554066.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6798441 + ... + 13353271.

Almost surely, 2^{66045533260336} is an apocalyptic number.

It is an amenable number.

66045533260336 is an abundant number, since it is smaller than the sum of its proper divisors (80199795439568).

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

66045533260336 is a wasteful number, since it uses less digits than its factorization.

66045533260336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6644809 (or 6644803 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 52.

The spelling of 66045533260336 in words is "sixty-six trillion, forty-five billion, five hundred thirty-three million, two hundred sixty thousand, three hundred thirty-six".