265676342664 has 32 divisors (see below), whose sum is σ = 664226208000. Its totient is φ = 88554067392.

The previous prime is 265676342639. The next prime is 265676342683. The reversal of 265676342664 is 466243676562.

It is a super-3 number, since 3×265676342664³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181417 + ... + 751175.

It is an arithmetic number, because the mean of its divisors is an integer number (20757069000).

Almost surely, 2^265676342664 is an apocalyptic number.

265676342664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

265676342664 is an abundant number, since it is smaller than the sum of its proper divisors (398549865336).

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

265676342664 is a wasteful number, since it uses less digits than its factorization.

265676342664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589197 (or 589193 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 57.

The spelling of 265676342664 in words is "two hundred sixty-five billion, six hundred seventy-six million, three hundred forty-two thousand, six hundred sixty-four".