64911062223 has 48 divisors (see below), whose sum is σ = 112169521152. Its totient is φ = 35389872000.

The previous prime is 64911062137. The next prime is 64911062261. The reversal of 64911062223 is 32226011946.

It is a happy number.

64911062223 is a `hidden beast` number, since 6 + 4 + 9 + 1 + 1 + 0 + 622 + 23 = 666.

It is not a de Polignac number, because 64911062223 - 2¹³ = 64911054031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64911062263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 95398 + ... + 372723.

It is an arithmetic number, because the mean of its divisors is an integer number (2336865024).

Almost surely, 2^64911062223 is an apocalyptic number.

64911062223 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

64911062223 is a deficient number, since it is larger than the sum of its proper divisors (47258458929).

64911062223 is a wasteful number, since it uses less digits than its factorization.

64911062223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468236 (or 468233 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 64911062223 in words is "sixty-four billion, nine hundred eleven million, sixty-two thousand, two hundred twenty-three".