67227666064 has 40 divisors (see below), whose sum is σ = 148524478200. Its totient is φ = 29202966528.

The previous prime is 67227666043. The next prime is 67227666073. The reversal of 67227666064 is 46066672276.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27822240000 + 39405426064 = 166800^2 + 198508^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9502639 + ... + 9509710.

It is an arithmetic number, because the mean of its divisors is an integer number (3713111955).

Almost surely, 2^67227666064 is an apocalyptic number.

It is an amenable number.

67227666064 is an abundant number, since it is smaller than the sum of its proper divisors (81296812136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67227666064 is a wasteful number, since it uses less digits than its factorization.

67227666064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19012387 (or 19012381 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 52.

The spelling of 67227666064 in words is "sixty-seven billion, two hundred twenty-seven million, six hundred sixty-six thousand, sixty-four".