66050559996 has 48 divisors (see below), whose sum is σ = 155299436544. Its totient is φ = 21848700096.

The previous prime is 66050559983. The next prime is 66050560007. The reversal of 66050559996 is 69995505066.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 809361 + ... + 887223.

It is an arithmetic number, because the mean of its divisors is an integer number (3235404928).

Almost surely, 2^66050559996 is an apocalyptic number.

It is an amenable number.

66050559996 is an abundant number, since it is smaller than the sum of its proper divisors (89248876548).

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

66050559996 is a wasteful number, since it uses less digits than its factorization.

66050559996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78410 (or 78408 counting only the distinct ones).

The product of its (nonzero) digits is 19683000, while the sum is 60.

The spelling of 66050559996 in words is "sixty-six billion, fifty million, five hundred fifty-nine thousand, nine hundred ninety-six".