64188262629268 has 12 divisors (see below), whose sum is σ = 113186936392992. Its totient is φ = 31849137945560.

The previous prime is 64188262629221. The next prime is 64188262629331. The reversal of 64188262629268 is 86292626288146.

It is a junction number, because it is equal to n+sod(n) for n = 64188262629197 and 64188262629206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61248341680 + ... + 61248342727.

It is an arithmetic number, because the mean of its divisors is an integer number (9432244699416).

Almost surely, 2^{64188262629268} is an apocalyptic number.

It is an amenable number.

64188262629268 is a deficient number, since it is larger than the sum of its proper divisors (48998673763724).

64188262629268 is a wasteful number, since it uses less digits than its factorization.

64188262629268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122496684542 (or 122496684540 counting only the distinct ones).

The product of its digits is 382205952, while the sum is 70.

The spelling of 64188262629268 in words is "sixty-four trillion, one hundred eighty-eight billion, two hundred sixty-two million, six hundred twenty-nine thousand, two hundred sixty-eight".