766216345504 has 12 divisors (see below), whose sum is σ = 1508488430274. Its totient is φ = 383108172736.

The previous prime is 766216345441. The next prime is 766216345537. The reversal of 766216345504 is 405543612667.

It can be written as a sum of positive squares in only one way, i.e., 751945653904 + 14270691600 = 867148^2 + 119460^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11972130367 + ... + 11972130430.

Almost surely, 2^766216345504 is an apocalyptic number.

It is an amenable number.

766216345504 is a deficient number, since it is larger than the sum of its proper divisors (742272084770).

766216345504 is a wasteful number, since it uses less digits than its factorization.

766216345504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23944260807 (or 23944260799 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 49.

The spelling of 766216345504 in words is "seven hundred sixty-six billion, two hundred sixteen million, three hundred forty-five thousand, five hundred four".