766000221063 has 16 divisors (see below), whose sum is σ = 1273351017216. Its totient is φ = 397922192640.

The previous prime is 766000221043. The next prime is 766000221079. The reversal of 766000221063 is 360122000667.

It is not a de Polignac number, because 766000221063 - 2¹³ = 766000212871 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766000221013) 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, 1658008906 + ... + 1658009367.

It is an arithmetic number, because the mean of its divisors is an integer number (79584438576).

Almost surely, 2^766000221063 is an apocalyptic number.

766000221063 is a deficient number, since it is larger than the sum of its proper divisors (507350796153).

766000221063 is a wasteful number, since it uses less digits than its factorization.

766000221063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3316018294.

The product of its (nonzero) digits is 18144, while the sum is 33.

The spelling of 766000221063 in words is "seven hundred sixty-six billion, two hundred twenty-one thousand, sixty-three".