64164774233227 has 16 divisors (see below), whose sum is σ = 68485616050752. Its totient is φ = 59984338677120.

The previous prime is 64164774233207. The next prime is 64164774233239. The reversal of 64164774233227 is 72233247746146.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64164774233227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64164774233207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145429348 + ... + 145869889.

It is an arithmetic number, because the mean of its divisors is an integer number (4280351003172).

Almost surely, 2^{64164774233227} is an apocalyptic number.

64164774233227 is a deficient number, since it is larger than the sum of its proper divisors (4320841817525).

64164774233227 is a wasteful number, since it uses less digits than its factorization.

64164774233227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291299478.

The product of its digits is 56899584, while the sum is 58.

The spelling of 64164774233227 in words is "sixty-four trillion, one hundred sixty-four billion, seven hundred seventy-four million, two hundred thirty-three thousand, two hundred twenty-seven".