10190718585 has 24 divisors (see below), whose sum is σ = 17668964040. Its totient is φ = 5433495552.

The previous prime is 10190718569. The next prime is 10190718607. The reversal of 10190718585 is 58581709101.

It can be written as a sum of positive squares in 4 ways, for example, as 1798692921 + 8392025664 = 42411^2 + 91608^2 .

It is not a de Polignac number, because 10190718585 - 2⁴ = 10190718569 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 10190718585.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136377 + ... + 197433.

It is an arithmetic number, because the mean of its divisors is an integer number (736206835).

Almost surely, 2^10190718585 is an apocalyptic number.

10190718585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10190718585 is a deficient number, since it is larger than the sum of its proper divisors (7478245455).

10190718585 is a wasteful number, since it uses less digits than its factorization.

10190718585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64777 (or 64774 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 45.

The spelling of 10190718585 in words is "ten billion, one hundred ninety million, seven hundred eighteen thousand, five hundred eighty-five".