190063190851 has 4 divisors (see below), whose sum is σ = 190071634104. Its totient is φ = 190054747600.

The previous prime is 190063190773. The next prime is 190063190893. The reversal of 190063190851 is 158091360091.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190063190851 is a prime.

It is a super-2 number, since 2×190063190851² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 190063190798 and 190063190807.

It is not an unprimeable number, because it can be changed into a prime (190063193851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4187770 + ... + 4232911.

It is an arithmetic number, because the mean of its divisors is an integer number (47517908526).

Almost surely, 2^190063190851 is an apocalyptic number.

190063190851 is a deficient number, since it is larger than the sum of its proper divisors (8443253).

190063190851 is an equidigital number, since it uses as much as digits as its factorization.

190063190851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8443252.

The product of its (nonzero) digits is 58320, while the sum is 43.

The spelling of 190063190851 in words is "one hundred ninety billion, sixty-three million, one hundred ninety thousand, eight hundred fifty-one".