266151246216425 has 24 divisors (see below), whose sum is σ = 336754116439704. Its totient is φ = 208593212405760.

The previous prime is 266151246216419. The next prime is 266151246216451. The reversal of 266151246216425 is 524612642151662.

266151246216425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 116215213059856 + 149936033156569 = 10780316^2 + 12244837^2 .

It is not a de Polignac number, because 266151246216425 - 2⁴ = 266151246216409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148342202 + ... + 150125651.

It is an arithmetic number, because the mean of its divisors is an integer number (14031421518321).

Almost surely, 2^{266151246216425} is an apocalyptic number.

266151246216425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

266151246216425 is a deficient number, since it is larger than the sum of its proper divisors (70602870223279).

266151246216425 is a wasteful number, since it uses less digits than its factorization.

266151246216425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298468589 (or 298468584 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 53.

The spelling of 266151246216425 in words is "two hundred sixty-six trillion, one hundred fifty-one billion, two hundred forty-six million, two hundred sixteen thousand, four hundred twenty-five".