147669966742 has 12 divisors (see below), whose sum is σ = 226318102020. Its totient is φ = 72264024116.

The previous prime is 147669966707. The next prime is 147669966803. The reversal of 147669966742 is 247669966741.

147669966742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 5 ways as a sum of consecutive naturals, for example, 16707892 + ... + 16716727.

It is an arithmetic number, because the mean of its divisors is an integer number (18859841835).

Almost surely, 2^147669966742 is an apocalyptic number.

147669966742 is a deficient number, since it is larger than the sum of its proper divisors (78648135278).

147669966742 is an equidigital number, since it uses as much as digits as its factorization.

147669966742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33424715 (or 33424668 counting only the distinct ones).

The product of its digits is 164602368, while the sum is 67.

Subtracting 147669966742 from its reverse (247669966741), we obtain a palindrome (99999999999).

The spelling of 147669966742 in words is "one hundred forty-seven billion, six hundred sixty-nine million, nine hundred sixty-six thousand, seven hundred forty-two".