266342066425 has 12 divisors (see below), whose sum is σ = 331829401936. Its totient is φ = 212063821200.

The previous prime is 266342066411. The next prime is 266342066491. The reversal of 266342066425 is 524660243662.

It is a de Polignac number, because none of the positive numbers 2^k-266342066425 is a prime.

It is a super-2 number, since 2×266342066425² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25240419 + ... + 25250968.

Almost surely, 2^266342066425 is an apocalyptic number.

266342066425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

266342066425 is a deficient number, since it is larger than the sum of its proper divisors (65487335511).

266342066425 is a wasteful number, since it uses less digits than its factorization.

266342066425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50491608 (or 50491603 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 46.

The spelling of 266342066425 in words is "two hundred sixty-six billion, three hundred forty-two million, sixty-six thousand, four hundred twenty-five".