766705551216 has 80 divisors (see below), whose sum is σ = 2230416196608. Its totient is φ = 224840332800.

The previous prime is 766705551191. The next prime is 766705551217. The reversal of 766705551216 is 612155507667.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766705551217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23404501 + ... + 23437236.

Almost surely, 2^766705551216 is an apocalyptic number.

It is an amenable number.

766705551216 is an abundant number, since it is smaller than the sum of its proper divisors (1463710645392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

766705551216 is a wasteful number, since it uses less digits than its factorization.

766705551216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46841790 (or 46841784 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 51.

The spelling of 766705551216 in words is "seven hundred sixty-six billion, seven hundred five million, five hundred fifty-one thousand, two hundred sixteen".