264401422304166 has 48 divisors (see below), whose sum is σ = 654709807474944. Its totient is φ = 75543087706992.

The previous prime is 264401422304119. The next prime is 264401422304233. The reversal of 264401422304166 is 661403224104462.

264401422304166 is a `hidden beast` number, since 2 + 6 + 4 + 4 + 0 + 1 + 4 + 223 + 0 + 416 + 6 = 666.

It is a super-2 number, since 2×264401422304166² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57785751 + ... + 62193213.

It is an arithmetic number, because the mean of its divisors is an integer number (13639787655728).

Almost surely, 2^{264401422304166} is an apocalyptic number.

264401422304166 is an abundant number, since it is smaller than the sum of its proper divisors (390308385170778).

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

264401422304166 is a wasteful number, since it uses less digits than its factorization.

264401422304166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4883585 (or 4883582 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 45.

The spelling of 264401422304166 in words is "two hundred sixty-four trillion, four hundred one billion, four hundred twenty-two million, three hundred four thousand, one hundred sixty-six".