766445162632 has 8 divisors (see below), whose sum is σ = 1437084679950. Its totient is φ = 383222581312.

The previous prime is 766445162591. The next prime is 766445162633. The reversal of 766445162632 is 236261544667.

It can be written as a sum of positive squares in only one way, i.e., 750971295396 + 15473867236 = 866586^2 + 124394^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 766445162632.

It is not an unprimeable number, because it can be changed into a prime (766445162633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47902822657 + ... + 47902822672.

Almost surely, 2^766445162632 is an apocalyptic number.

It is an amenable number.

766445162632 is a deficient number, since it is larger than the sum of its proper divisors (670639517318).

766445162632 is a wasteful number, since it uses less digits than its factorization.

766445162632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95805645335 (or 95805645331 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 52.

The spelling of 766445162632 in words is "seven hundred sixty-six billion, four hundred forty-five million, one hundred sixty-two thousand, six hundred thirty-two".