10186858064 has 20 divisors (see below), whose sum is σ = 19839307956. Its totient is φ = 5067036672.

The previous prime is 10186858061. The next prime is 10186858069. The reversal of 10186858064 is 46085868101.

It can be written as a sum of positive squares in 2 ways, for example, as 6258075664 + 3928782400 = 79108^2 + 62680^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10186858061) 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, 1646339 + ... + 1652514.

Almost surely, 2^10186858064 is an apocalyptic number.

It is an amenable number.

10186858064 is a deficient number, since it is larger than the sum of its proper divisors (9652449892).

10186858064 is a wasteful number, since it uses less digits than its factorization.

10186858064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3299054 (or 3299048 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 47.

The spelling of 10186858064 in words is "ten billion, one hundred eighty-six million, eight hundred fifty-eight thousand, sixty-four".