66741138102 has 16 divisors (see below), whose sum is σ = 133504422912. Its totient is φ = 22243354920.

The previous prime is 66741138097. The next prime is 66741138127. The reversal of 66741138102 is 20183114766.

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 in 7 ways as a sum of consecutive naturals, for example, 883474 + ... + 956037.

It is an arithmetic number, because the mean of its divisors is an integer number (8344026432).

Almost surely, 2^66741138102 is an apocalyptic number.

66741138102 is an abundant number, since it is smaller than the sum of its proper divisors (66763284810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66741138102 is a wasteful number, since it uses less digits than its factorization.

66741138102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845563.

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 66741138102 in words is "sixty-six billion, seven hundred forty-one million, one hundred thirty-eight thousand, one hundred two".