264421665566362 has 16 divisors (see below), whose sum is σ = 417152134605312. Its totient is φ = 125531892354960.

The previous prime is 264421665566351. The next prime is 264421665566419. The reversal of 264421665566362 is 263665566124462.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 264421665566294 and 264421665566303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40234577598 + ... + 40234584169.

It is an arithmetic number, because the mean of its divisors is an integer number (26072008412832).

Almost surely, 2^{264421665566362} is an apocalyptic number.

264421665566362 is a deficient number, since it is larger than the sum of its proper divisors (152730469038950).

264421665566362 is a wasteful number, since it uses less digits than its factorization.

264421665566362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80469161853.

The product of its digits is 447897600, while the sum is 64.

The spelling of 264421665566362 in words is "two hundred sixty-four trillion, four hundred twenty-one billion, six hundred sixty-five million, five hundred sixty-six thousand, three hundred sixty-two".