1064499808516 has 9 divisors (see below), whose sum is σ = 1862878276021. Its totient is φ = 532248872512.

The previous prime is 1064499808459. The next prime is 1064499808577. The reversal of 1064499808516 is 6158089944601.

The square root of 1064499808516 is 1031746.

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., 6267888900 + 1058231919616 = 79170^2 + 1028704^2 .

It is a super-2 number, since 2×1064499808516² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1805556 + ... + 2321428.

Almost surely, 2^{1064499808516} is an apocalyptic number.

1064499808516 is the 1031746-th square number.

It is an amenable number.

1064499808516 is a deficient number, since it is larger than the sum of its proper divisors (798378467505).

1064499808516 is an frugal number, since it uses more digits than its factorization.

1064499808516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031750 (or 515875 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 61.

The spelling of 1064499808516 in words is "one trillion, sixty-four billion, four hundred ninety-nine million, eight hundred eight thousand, five hundred sixteen".