213803666675 has 36 divisors (see below), whose sum is σ = 283105320576. Its totient is φ = 160137715200.

The previous prime is 213803666647. The next prime is 213803666677. The reversal of 213803666675 is 576666308312.

It is not a de Polignac number, because 213803666675 - 2⁶ = 213803666611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213803666677) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1302509 + ... + 1457441.

Almost surely, 2^213803666675 is an apocalyptic number.

213803666675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

213803666675 is a deficient number, since it is larger than the sum of its proper divisors (69301653901).

213803666675 is a wasteful number, since it uses less digits than its factorization.

213803666675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155168 (or 155146 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 213803666675 in words is "two hundred thirteen billion, eight hundred three million, six hundred sixty-six thousand, six hundred seventy-five".