766224053321 has 8 divisors (see below), whose sum is σ = 767400029760. Its totient is φ = 765048957552.

The previous prime is 766224053267. The next prime is 766224053323. The reversal of 766224053321 is 123350422667.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-766224053321 is a prime.

It is a super-2 number, since 2×766224053321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (766224053323) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1531931 + ... + 1969583.

It is an arithmetic number, because the mean of its divisors is an integer number (95925003720).

Almost surely, 2^766224053321 is an apocalyptic number.

It is an amenable number.

766224053321 is a deficient number, since it is larger than the sum of its proper divisors (1175976439).

766224053321 is a wasteful number, since it uses less digits than its factorization.

766224053321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440335.

The product of its (nonzero) digits is 362880, while the sum is 41.

Adding to 766224053321 its reverse (123350422667), we get a palindrome (889574475988).

The spelling of 766224053321 in words is "seven hundred sixty-six billion, two hundred twenty-four million, fifty-three thousand, three hundred twenty-one".