190947647795 has 16 divisors (see below), whose sum is σ = 230094922752. Its totient is φ = 152120947680.

The previous prime is 190947647717. The next prime is 190947647797. The reversal of 190947647795 is 597746749091.

It is not a de Polignac number, because 190947647795 - 2³⁶ = 122228171059 is a prime.

It is a super-2 number, since 2×190947647795² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190947647797) 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, 1076030 + ... + 1240860.

It is an arithmetic number, because the mean of its divisors is an integer number (14380932672).

Almost surely, 2^190947647795 is an apocalyptic number.

190947647795 is a deficient number, since it is larger than the sum of its proper divisors (39147274957).

190947647795 is a wasteful number, since it uses less digits than its factorization.

190947647795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165802.

The product of its (nonzero) digits is 120022560, while the sum is 68.

The spelling of 190947647795 in words is "one hundred ninety billion, nine hundred forty-seven million, six hundred forty-seven thousand, seven hundred ninety-five".