363260561666 has 8 divisors (see below), whose sum is σ = 559617622140. Its totient is φ = 176721354288.

The previous prime is 363260561639. The next prime is 363260561693. The reversal of 363260561666 is 666165062363.

It is an interprime number because it is at equal distance from previous prime (363260561639) and next prime (363260561693).

It can be written as a sum of positive squares in 2 ways, for example, as 266380886641 + 96879675025 = 516121^2 + 311255^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2454463181 + ... + 2454463328.

Almost surely, 2^363260561666 is an apocalyptic number.

363260561666 is a deficient number, since it is larger than the sum of its proper divisors (196357060474).

363260561666 is a wasteful number, since it uses less digits than its factorization.

363260561666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4908926548.

The product of its (nonzero) digits is 4199040, while the sum is 50.

The spelling of 363260561666 in words is "three hundred sixty-three billion, two hundred sixty million, five hundred sixty-one thousand, six hundred sixty-six".