66050505496 has 8 divisors (see below), whose sum is σ = 123844697820. Its totient is φ = 33025252744.

The previous prime is 66050505463. The next prime is 66050505523. The reversal of 66050505496 is 69450505066.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4128156586 + ... + 4128156601.

Almost surely, 2^66050505496 is an apocalyptic number.

It is an amenable number.

66050505496 is a deficient number, since it is larger than the sum of its proper divisors (57794192324).

66050505496 is a wasteful number, since it uses less digits than its factorization.

66050505496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8256313193 (or 8256313189 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 66050505496 in words is "sixty-six billion, fifty million, five hundred five thousand, four hundred ninety-six".