66253105116734 has 16 divisors (see below), whose sum is σ = 99900293068800. Its totient is φ = 32953078227960.

The previous prime is 66253105116727. The next prime is 66253105116763. The reversal of 66253105116734 is 43761150135266.

66253105116734 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 (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15825962 + ... + 19569549.

It is an arithmetic number, because the mean of its divisors is an integer number (6243768316800).

Almost surely, 2^{66253105116734} is an apocalyptic number.

66253105116734 is a deficient number, since it is larger than the sum of its proper divisors (33647187952066).

66253105116734 is a wasteful number, since it uses less digits than its factorization.

66253105116734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35400415.

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 66253105116734 in words is "sixty-six trillion, two hundred fifty-three billion, one hundred five million, one hundred sixteen thousand, seven hundred thirty-four".