66654326102 has 32 divisors (see below), whose sum is σ = 127297396800. Its totient is φ = 25459475328.

The previous prime is 66654326099. The next prime is 66654326147. The reversal of 66654326102 is 20162345666.

It is a happy number.

66654326102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×66654326102² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 66654326102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6309077 + ... + 6319632.

It is an arithmetic number, because the mean of its divisors is an integer number (3978043650).

Almost surely, 2^66654326102 is an apocalyptic number.

66654326102 is a deficient number, since it is larger than the sum of its proper divisors (60643070698).

66654326102 is a wasteful number, since it uses less digits than its factorization.

66654326102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12628760.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 66654326102 in words is "sixty-six billion, six hundred fifty-four million, three hundred twenty-six thousand, one hundred two".