266085465 has 16 divisors (see below), whose sum is σ = 425996736. Its totient is φ = 141825600.

The previous prime is 266085439. The next prime is 266085473. The reversal of 266085465 is 564580662.

It is not a de Polignac number, because 266085465 - 2⁶ = 266085401 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25755 + ... + 34575.

It is an arithmetic number, because the mean of its divisors is an integer number (26624796).

Almost surely, 2^266085465 is an apocalyptic number.

It is an amenable number.

266085465 is a deficient number, since it is larger than the sum of its proper divisors (159911271).

266085465 is a wasteful number, since it uses less digits than its factorization.

266085465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10840.

The product of its (nonzero) digits is 345600, while the sum is 42.

The square root of 266085465 is about 16312.1263175590. The cubic root of 266085465 is about 643.1916295653.

The spelling of 266085465 in words is "two hundred sixty-six million, eighty-five thousand, four hundred sixty-five".