66632277662 has 16 divisors (see below), whose sum is σ = 101500735392. Its totient is φ = 32802604800.

The previous prime is 66632277629. The next prime is 66632277667. The reversal of 66632277662 is 26677223666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66632277667) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 942143 + ... + 1010394.

It is an arithmetic number, because the mean of its divisors is an integer number (6343795962).

Almost surely, 2^66632277662 is an apocalyptic number.

66632277662 is a deficient number, since it is larger than the sum of its proper divisors (34868457730).

66632277662 is a wasteful number, since it uses less digits than its factorization.

66632277662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952803.

The product of its digits is 9144576, while the sum is 53.

The spelling of 66632277662 in words is "sixty-six billion, six hundred thirty-two million, two hundred seventy-seven thousand, six hundred sixty-two".