766675066061 has 4 divisors (see below), whose sum is σ = 766677229500. Its totient is φ = 766672902624.

The previous prime is 766675066039. The next prime is 766675066063. The reversal of 766675066061 is 160660576667.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14412002500 + 752263063561 = 120050^2 + 867331^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-766675066061 is a prime.

It is a super-3 number, since 3×766675066061³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 766675065988 and 766675066006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766675066063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411896 + ... + 1304993.

It is an arithmetic number, because the mean of its divisors is an integer number (191669307375).

Almost surely, 2^766675066061 is an apocalyptic number.

It is an amenable number.

766675066061 is a deficient number, since it is larger than the sum of its proper divisors (2163439).

766675066061 is a wasteful number, since it uses less digits than its factorization.

766675066061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163438.

The product of its (nonzero) digits is 11430720, while the sum is 56.

The spelling of 766675066061 in words is "seven hundred sixty-six billion, six hundred seventy-five million, sixty-six thousand, sixty-one".