64188268239346 has 16 divisors (see below), whose sum is σ = 101875026232800. Its totient is φ = 30247430462208.

The previous prime is 64188268239331. The next prime is 64188268239383. The reversal of 64188268239346 is 64393286288146.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4376067676 + ... + 4376082343.

It is an arithmetic number, because the mean of its divisors is an integer number (6367189139550).

Almost surely, 2^{64188268239346} is an apocalyptic number.

64188268239346 is a deficient number, since it is larger than the sum of its proper divisors (37686757993454).

64188268239346 is a wasteful number, since it uses less digits than its factorization.

64188268239346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8752150233.

The product of its digits is 573308928, while the sum is 70.

The spelling of 64188268239346 in words is "sixty-four trillion, one hundred eighty-eight billion, two hundred sixty-eight million, two hundred thirty-nine thousand, three hundred forty-six".