190185838063 has 32 divisors (see below), whose sum is σ = 234095702400. Its totient is φ = 152595480576.

The previous prime is 190185838061. The next prime is 190185838111. The reversal of 190185838063 is 360838581091.

It is not a de Polignac number, because 190185838063 - 2¹ = 190185838061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 190185838063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190185838061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 497698 + ... + 792511.

It is an arithmetic number, because the mean of its divisors is an integer number (7315490700).

Almost surely, 2^190185838063 is an apocalyptic number.

190185838063 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

190185838063 is a deficient number, since it is larger than the sum of its proper divisors (43909864337).

190185838063 is a wasteful number, since it uses less digits than its factorization.

190185838063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290291.

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 190185838063 in words is "one hundred ninety billion, one hundred eighty-five million, eight hundred thirty-eight thousand, sixty-three".