265097166 has 8 divisors (see below), whose sum is σ = 530194344. Its totient is φ = 88365720.

The previous prime is 265097153. The next prime is 265097171. The reversal of 265097166 is 661790562.

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

265097166 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22091425 + ... + 22091436.

It is an arithmetic number, because the mean of its divisors is an integer number (66274293).

Almost surely, 2^265097166 is an apocalyptic number.

265097166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

265097166 is a wasteful number, since it uses less digits than its factorization.

265097166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44182866.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 265097166 is about 16281.8047525451. The cubic root of 265097166 is about 642.3943239926.

The spelling of 265097166 in words is "two hundred sixty-five million, ninety-seven thousand, one hundred sixty-six".