266151660453 has 24 divisors (see below), whose sum is σ = 439477579008. Its totient is φ = 152046472032.

The previous prime is 266151660421. The next prime is 266151660469. The reversal of 266151660453 is 354066151662.

266151660453 is a `hidden beast` number, since 26 + 6 + 1 + 5 + 16 + 604 + 5 + 3 = 666.

It is not a de Polignac number, because 266151660453 - 2⁵ = 266151660421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 266151660399 and 266151660408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266151660053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 317101 + ... + 795522.

It is an arithmetic number, because the mean of its divisors is an integer number (18311565792).

Almost surely, 2^266151660453 is an apocalyptic number.

It is an amenable number.

266151660453 is a deficient number, since it is larger than the sum of its proper divisors (173325918555).

266151660453 is a wasteful number, since it uses less digits than its factorization.

266151660453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116433 (or 1116430 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 266151660453 in words is "two hundred sixty-six billion, one hundred fifty-one million, six hundred sixty thousand, four hundred fifty-three".