266206121160 has 64 divisors (see below), whose sum is σ = 912706704000. Its totient is φ = 60847113216.

The previous prime is 266206121113. The next prime is 266206121171. The reversal of 266206121160 is 61121602662.

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, 158455185 + ... + 158456864.

It is an arithmetic number, because the mean of its divisors is an integer number (14261042250).

Almost surely, 2^266206121160 is an apocalyptic number.

266206121160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266206121160 is an abundant number, since it is smaller than the sum of its proper divisors (646500582840).

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

266206121160 is a wasteful number, since it uses less digits than its factorization.

266206121160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316912070 (or 316912066 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 266206121160 in words is "two hundred sixty-six billion, two hundred six million, one hundred twenty-one thousand, one hundred sixty".