102766812266 has 8 divisors (see below), whose sum is σ = 154563490884. Its totient is φ = 51245648640.

The previous prime is 102766812263. The next prime is 102766812277. The reversal of 102766812266 is 662218667201.

It can be written as a sum of positive squares in 2 ways, for example, as 98360640625 + 4406171641 = 313625^2 + 66379^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×102766812266² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102766812266.

It is not an unprimeable number, because it can be changed into a prime (102766812263) 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, 68877815 + ... + 68879306.

Almost surely, 2^102766812266 is an apocalyptic number.

102766812266 is a deficient number, since it is larger than the sum of its proper divisors (51796678618).

102766812266 is a wasteful number, since it uses less digits than its factorization.

102766812266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137757496.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 102766812266 in words is "one hundred two billion, seven hundred sixty-six million, eight hundred twelve thousand, two hundred sixty-six".