266461401 has 8 divisors (see below), whose sum is σ = 355402080. Its totient is φ = 177580832.

The previous prime is 266461387. The next prime is 266461427. The reversal of 266461401 is 104164662.

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 266461401 - 2¹⁸ = 266199257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (266461441) 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, 3396 + ... + 23333.

It is an arithmetic number, because the mean of its divisors is an integer number (44425260).

Almost surely, 2^266461401 is an apocalyptic number.

It is an amenable number.

266461401 is a deficient number, since it is larger than the sum of its proper divisors (88940679).

266461401 is a wasteful number, since it uses less digits than its factorization.

266461401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30055.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 266461401 is about 16323.6454568212. The cubic root of 266461401 is about 643.4943958255.

The spelling of 266461401 in words is "two hundred sixty-six million, four hundred sixty-one thousand, four hundred one".