264403426426161 has 64 divisors (see below), whose sum is σ = 387025735219200. Its totient is φ = 159232479436800.

The previous prime is 264403426426147. The next prime is 264403426426163. The reversal of 264403426426161 is 161624624304462.

It is not a de Polignac number, because 264403426426161 - 2¹⁴ = 264403426409777 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (264403426426163) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3790097521 + ... + 3790167281.

It is an arithmetic number, because the mean of its divisors is an integer number (6047277112800).

Almost surely, 2^{264403426426161} is an apocalyptic number.

It is an amenable number.

264403426426161 is a deficient number, since it is larger than the sum of its proper divisors (122622308793039).

264403426426161 is a wasteful number, since it uses less digits than its factorization.

264403426426161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71270.

The product of its (nonzero) digits is 7962624, while the sum is 51.

The spelling of 264403426426161 in words is "two hundred sixty-four trillion, four hundred three billion, four hundred twenty-six million, four hundred twenty-six thousand, one hundred sixty-one".