266472057 has 8 divisors (see below), whose sum is σ = 356321376. Its totient is φ = 177135392.

The previous prime is 266472053. The next prime is 266472067. The reversal of 266472057 is 750274662.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 266472057 - 2² = 266472053 is a prime.

It is a super-2 number, since 2×266472057² = 142014714323622498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (266472053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126948 + ... + 129029.

It is an arithmetic number, because the mean of its divisors is an integer number (44540172).

Almost surely, 2^266472057 is an apocalyptic number.

It is an amenable number.

266472057 is a deficient number, since it is larger than the sum of its proper divisors (89849319).

266472057 is a wasteful number, since it uses less digits than its factorization.

266472057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256327.

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 266472057 is about 16323.9718512377. The cubic root of 266472057 is about 643.5029736594.

The spelling of 266472057 in words is "two hundred sixty-six million, four hundred seventy-two thousand, fifty-seven".