2151326232266 has 32 divisors (see below), whose sum is σ = 3598690654080. Its totient is φ = 959321668096.

The previous prime is 2151326232193. The next prime is 2151326232269. The reversal of 2151326232266 is 6622326231512.

It is a super-3 number, since 3×2151326232266³ (a number of 38 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2151326232269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12771731 + ... + 12939078.

It is an arithmetic number, because the mean of its divisors is an integer number (112459082940).

Almost surely, 2^{2151326232266} is an apocalyptic number.

2151326232266 is a deficient number, since it is larger than the sum of its proper divisors (1447364421814).

2151326232266 is a wasteful number, since it uses less digits than its factorization.

2151326232266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25710958.

The product of its digits is 311040, while the sum is 41.

The spelling of 2151326232266 in words is "two trillion, one hundred fifty-one billion, three hundred twenty-six million, two hundred thirty-two thousand, two hundred sixty-six".