10499168218564 has 9 divisors (see below), whose sum is σ = 18373555723341. Its totient is φ = 5249580869040.

The previous prime is 10499168218547. The next prime is 10499168218577. The reversal of 10499168218564 is 46581286199401.

The square root of 10499168218564 is 3240242.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4749531552964 + 5749636665600 = 2179342^2 + 2397840^2 .

It is a super-2 number, since 2×10499168218564² (a number of 27 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 = 10499168218496 and 10499168218505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5670424 + ... + 7290544.

Almost surely, 2^{10499168218564} is an apocalyptic number.

10499168218564 is the 3240242-nd square number.

It is an amenable number.

10499168218564 is a deficient number, since it is larger than the sum of its proper divisors (7874387504777).

10499168218564 is an frugal number, since it uses more digits than its factorization.

10499168218564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3240246 (or 1620123 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 64.

Multiplying 10499168218564 by its sum of digits (64), we get a square (671946765988096 = 25921936²).

The spelling of 10499168218564 in words is "ten trillion, four hundred ninety-nine billion, one hundred sixty-eight million, two hundred eighteen thousand, five hundred sixty-four".