266161012 has 48 divisors (see below), whose sum is σ = 518418432. Its totient is φ = 118782720.

The previous prime is 266160989. The next prime is 266161057. The reversal of 266161012 is 210161662.

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, 270273 + ... + 271255.

It is an arithmetic number, because the mean of its divisors is an integer number (10800384).

Almost surely, 2^266161012 is an apocalyptic number.

It is an amenable number.

266161012 is a deficient number, since it is larger than the sum of its proper divisors (252257420).

266161012 is a wasteful number, since it uses less digits than its factorization.

266161012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168 (or 1166 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 266161012 is about 16314.4418231210. The cubic root of 266161012 is about 643.2524954730.

The spelling of 266161012 in words is "two hundred sixty-six million, one hundred sixty-one thousand, twelve".