188401394083 has 8 divisors (see below), whose sum is σ = 215329436768. Its totient is φ = 161476740864.

The previous prime is 188401394033. The next prime is 188401394087. The reversal of 188401394083 is 380493104881.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-188401394083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (188401394087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 727116 + ... + 951577.

It is an arithmetic number, because the mean of its divisors is an integer number (26916179596).

Almost surely, 2^188401394083 is an apocalyptic number.

188401394083 is a deficient number, since it is larger than the sum of its proper divisors (26928042685).

188401394083 is a wasteful number, since it uses less digits than its factorization.

188401394083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694733.

The product of its (nonzero) digits is 663552, while the sum is 49.

The spelling of 188401394083 in words is "one hundred eighty-eight billion, four hundred one million, three hundred ninety-four thousand, eighty-three".