66434632006 has 16 divisors (see below), whose sum is σ = 101977177104. Its totient is φ = 32442357024.

The previous prime is 66434631997. The next prime is 66434632013. The reversal of 66434632006 is 60023643466.

66434632006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 66434632006.

It is a congruent 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, 1698340 + ... + 1737016.

It is an arithmetic number, because the mean of its divisors is an integer number (6373573569).

Almost surely, 2^66434632006 is an apocalyptic number.

66434632006 is a deficient number, since it is larger than the sum of its proper divisors (35542545098).

66434632006 is a wasteful number, since it uses less digits than its factorization.

66434632006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58695.

The product of its (nonzero) digits is 373248, while the sum is 40.

The spelling of 66434632006 in words is "sixty-six billion, four hundred thirty-four million, six hundred thirty-two thousand, six".