235666840684 has 24 divisors (see below), whose sum is σ = 460882827216. Its totient is φ = 104508576000.

The previous prime is 235666840679. The next prime is 235666840697. The reversal of 235666840684 is 486048666532.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65316057 + ... + 65319664.

It is an arithmetic number, because the mean of its divisors is an integer number (19203451134).

Almost surely, 2^235666840684 is an apocalyptic number.

It is an amenable number.

235666840684 is a deficient number, since it is larger than the sum of its proper divisors (225215986532).

235666840684 is a wasteful number, since it uses less digits than its factorization.

235666840684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130635777 (or 130635775 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 58.

The spelling of 235666840684 in words is "two hundred thirty-five billion, six hundred sixty-six million, eight hundred forty thousand, six hundred eighty-four".