185196738233 has 8 divisors (see below), whose sum is σ = 200898428808. Its totient is φ = 169703017344.

The previous prime is 185196738217. The next prime is 185196738239. The reversal of 185196738233 is 332837691581.

It can be written as a sum of positive squares in 4 ways, for example, as 14063113744 + 171133624489 = 118588^2 + 413683^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 185196738233 - 2⁴ = 185196738217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (185196738239) by changing a digit.

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, 51990566 + ... + 51994127.

It is an arithmetic number, because the mean of its divisors is an integer number (25112303601).

Almost surely, 2^185196738233 is an apocalyptic number.

185196738233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

185196738233 is a deficient number, since it is larger than the sum of its proper divisors (15701690575).

185196738233 is a wasteful number, since it uses less digits than its factorization.

185196738233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103984843.

The product of its digits is 6531840, while the sum is 56.

The spelling of 185196738233 in words is "one hundred eighty-five billion, one hundred ninety-six million, seven hundred thirty-eight thousand, two hundred thirty-three".