264435115366066 has 4 divisors (see below), whose sum is σ = 396652673049102. Its totient is φ = 132217557683032.

The previous prime is 264435115366021. The next prime is 264435115366073. The reversal of 264435115366066 is 660663511534462.

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., 202899484229841 + 61535631136225 = 14244279^2 + 7844465^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 264435115366066.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66108778841515 + ... + 66108778841518.

Almost surely, 2^{264435115366066} is an apocalyptic number.

264435115366066 is a deficient number, since it is larger than the sum of its proper divisors (132217557683036).

264435115366066 is a wasteful number, since it uses less digits than its factorization.

264435115366066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132217557683035.

The product of its (nonzero) digits is 55987200, while the sum is 58.

The spelling of 264435115366066 in words is "two hundred sixty-four trillion, four hundred thirty-five billion, one hundred fifteen million, three hundred sixty-six thousand, sixty-six".