231266154517668 has 48 divisors (see below), whose sum is σ = 618920174584320. Its totient is φ = 74601985327200.

The previous prime is 231266154517627. The next prime is 231266154517777. The reversal of 231266154517668 is 866715451662132.

231266154517668 is a `hidden beast` number, since 2 + 3 + 1 + 2 + 6 + 6 + 1 + 54 + 517 + 6 + 68 = 666.

231266154517668 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-3 number, since 3×231266154517668³ (a number of 44 digits) contains 333 as substring.

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, 34537952823 + ... + 34537959518.

It is an arithmetic number, because the mean of its divisors is an integer number (12894170303840).

Almost surely, 2^{231266154517668} is an apocalyptic number.

It is an amenable number.

231266154517668 is an abundant number, since it is smaller than the sum of its proper divisors (387654020066652).

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

231266154517668 is a wasteful number, since it uses less digits than its factorization.

231266154517668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69075912385 (or 69075912377 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 63.

The spelling of 231266154517668 in words is "two hundred thirty-one trillion, two hundred sixty-six billion, one hundred fifty-four million, five hundred seventeen thousand, six hundred sixty-eight".