266606046512 has 40 divisors (see below), whose sum is σ = 556360755216. Its totient is φ = 123031915776.

The previous prime is 266606046437. The next prime is 266606046529. The reversal of 266606046512 is 215640606662.

It is a happy number.

It is a super-2 number, since 2×266606046512² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1484858 + ... + 1654694.

Almost surely, 2^266606046512 is an apocalyptic number.

It is an amenable number.

266606046512 is an abundant number, since it is smaller than the sum of its proper divisors (289754708704).

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

266606046512 is a wasteful number, since it uses less digits than its factorization.

266606046512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177405 (or 177399 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 266606046512 in words is "two hundred sixty-six billion, six hundred six million, forty-six thousand, five hundred twelve".