190075066305 has 16 divisors (see below), whose sum is σ = 304593092160. Its totient is φ = 101215706688.

The previous prime is 190075066303. The next prime is 190075066331. The reversal of 190075066305 is 503660570091.

It is a happy number.

It is not a de Polignac number, because 190075066305 - 2¹ = 190075066303 is a prime.

It is a super-2 number, since 2×190075066305² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190075066303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9843910 + ... + 9863199.

It is an arithmetic number, because the mean of its divisors is an integer number (19037068260).

Almost surely, 2^190075066305 is an apocalyptic number.

190075066305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

190075066305 is a deficient number, since it is larger than the sum of its proper divisors (114518025855).

190075066305 is a wasteful number, since it uses less digits than its factorization.

190075066305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19707760.

The product of its (nonzero) digits is 170100, while the sum is 42.

The spelling of 190075066305 in words is "one hundred ninety billion, seventy-five million, sixty-six thousand, three hundred five".