64611970123606 has 16 divisors (see below), whose sum is σ = 102622530550464. Its totient is φ = 30404590280064.

The previous prime is 64611970123573. The next prime is 64611970123619. The reversal of 64611970123606 is 60632107911646.

64611970123606 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, 31578510 + ... + 33562273.

It is an arithmetic number, because the mean of its divisors is an integer number (6413908159404).

Almost surely, 2^{64611970123606} is an apocalyptic number.

64611970123606 is a deficient number, since it is larger than the sum of its proper divisors (38010560426858).

64611970123606 is a wasteful number, since it uses less digits than its factorization.

64611970123606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65169975.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 64611970123606 in words is "sixty-four trillion, six hundred eleven billion, nine hundred seventy million, one hundred twenty-three thousand, six hundred six".