264432463264666 has 4 divisors (see below), whose sum is σ = 396648694897002. Its totient is φ = 132216231632332.

The previous prime is 264432463264603. The next prime is 264432463264679. The reversal of 264432463264666 is 666462364234462.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 168505815798441 + 95926647466225 = 12980979^2 + 9794215^2 .

It is a junction number, because it is equal to n+sod(n) for n = 264432463264598 and 264432463264607.

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 as a sum of consecutive naturals, namely, 66108115816165 + ... + 66108115816168.

Almost surely, 2^{264432463264666} is an apocalyptic number.

264432463264666 is a deficient number, since it is larger than the sum of its proper divisors (132216231632336).

264432463264666 is a wasteful number, since it uses less digits than its factorization.

264432463264666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132216231632335.

The product of its digits is 859963392, while the sum is 64.

The spelling of 264432463264666 in words is "two hundred sixty-four trillion, four hundred thirty-two billion, four hundred sixty-three million, two hundred sixty-four thousand, six hundred sixty-six".