526216766464 has 33 divisors (see below), whose sum is σ = 1051966054857. Its totient is φ = 263096776704.

The previous prime is 526216766407. The next prime is 526216766533. The reversal of 526216766464 is 464667612625.

The square root of 526216766464 is 725408.

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., 510641726464 + 15575040000 = 714592^2 + 124800^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 23201722 + ... + 23224390.

Almost surely, 2^526216766464 is an apocalyptic number.

526216766464 is the 725408-th square number.

It is an amenable number.

526216766464 is a deficient number, since it is larger than the sum of its proper divisors (525749288393).

526216766464 is an frugal number, since it uses more digits than its factorization.

526216766464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45358 (or 22671 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 55.

The spelling of 526216766464 in words is "five hundred twenty-six billion, two hundred sixteen million, seven hundred sixty-six thousand, four hundred sixty-four".