266431143251052 has 72 divisors (see below), whose sum is σ = 725293214871680. Its totient is φ = 81977859786240.

The previous prime is 266431143250999. The next prime is 266431143251099. The reversal of 266431143251052 is 250152341134662.

266431143251052 is a `hidden beast` number, since 2 + 6 + 6 + 4 + 311 + 4 + 325 + 1 + 0 + 5 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 266431143250989 and 266431143251007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37505349 + ... + 44039907.

Almost surely, 2^{266431143251052} is an apocalyptic number.

It is an amenable number.

266431143251052 is an abundant number, since it is smaller than the sum of its proper divisors (458862071620628).

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

266431143251052 is a wasteful number, since it uses less digits than its factorization.

266431143251052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6621703 (or 6621698 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 266431143251052 in words is "two hundred sixty-six trillion, four hundred thirty-one billion, one hundred forty-three million, two hundred fifty-one thousand, fifty-two".