64326254164 has 6 divisors (see below), whose sum is σ = 112570944794. Its totient is φ = 32163127080.

The previous prime is 64326254131. The next prime is 64326254227. The reversal of 64326254164 is 46145262346.

It can be written as a sum of positive squares in only one way, i.e., 63760290064 + 565964100 = 252508^2 + 23790^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 64326254164.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8040781767 + ... + 8040781774.

Almost surely, 2^64326254164 is an apocalyptic number.

It is an amenable number.

64326254164 is a deficient number, since it is larger than the sum of its proper divisors (48244690630).

64326254164 is a wasteful number, since it uses less digits than its factorization.

64326254164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16081563545 (or 16081563543 counting only the distinct ones).

The product of its digits is 829440, while the sum is 43.

The spelling of 64326254164 in words is "sixty-four billion, three hundred twenty-six million, two hundred fifty-four thousand, one hundred sixty-four".