265000265166 has 64 divisors (see below), whose sum is σ = 652391889408. Its totient is φ = 69881228928.

The previous prime is 265000265143. The next prime is 265000265207. The reversal of 265000265166 is 661562000562.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4973221 + ... + 5026223.

It is an arithmetic number, because the mean of its divisors is an integer number (10193623272).

Almost surely, 2^265000265166 is an apocalyptic number.

265000265166 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

265000265166 is an abundant number, since it is smaller than the sum of its proper divisors (387391624242).

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

265000265166 is a wasteful number, since it uses less digits than its factorization.

265000265166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62185.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 265000265166 in words is "two hundred sixty-five billion, two hundred sixty-five thousand, one hundred sixty-six".