266660510514612 has 48 divisors (see below), whose sum is σ = 626444131299840. Its totient is φ = 88282861669728.

The previous prime is 266660510514577. The next prime is 266660510514667. The reversal of 266660510514612 is 216415015066662.

266660510514612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×266660510514612² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73653598 + ... + 77189205.

It is an arithmetic number, because the mean of its divisors is an integer number (13050919402080).

Almost surely, 2^{266660510514612} is an apocalyptic number.

It is an amenable number.

266660510514612 is an abundant number, since it is smaller than the sum of its proper divisors (359783620785228).

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

266660510514612 is a wasteful number, since it uses less digits than its factorization.

266660510514612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150843812 (or 150843810 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 266660510514612 in words is "two hundred sixty-six trillion, six hundred sixty billion, five hundred ten million, five hundred fourteen thousand, six hundred twelve".