66961484522 has 16 divisors (see below), whose sum is σ = 100549112832. Its totient is φ = 33445136400.

The previous prime is 66961484507. The next prime is 66961484531. The reversal of 66961484522 is 22548416966.

It is a happy number.

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, 9544688 + ... + 9551700.

It is an arithmetic number, because the mean of its divisors is an integer number (6284319552).

Almost surely, 2^66961484522 is an apocalyptic number.

66961484522 is a deficient number, since it is larger than the sum of its proper divisors (33587628310).

66961484522 is a wasteful number, since it uses less digits than its factorization.

66961484522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11413.

The product of its digits is 4976640, while the sum is 53.

The spelling of 66961484522 in words is "sixty-six billion, nine hundred sixty-one million, four hundred eighty-four thousand, five hundred twenty-two".