265056066 has 36 divisors (see below), whose sum is σ = 631247526. Its totient is φ = 80319360.

The previous prime is 265056059. The next prime is 265056073. The reversal of 265056066 is 660650562.

It is an interprime number because it is at equal distance from previous prime (265056059) and next prime (265056073).

It can be written as a sum of positive squares in only one way, i.e., 215649225 + 49406841 = 14685^2 + 7029^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 265056066.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 58671 + ... + 63026.

Almost surely, 2^265056066 is an apocalyptic number.

265056066 is an abundant number, since it is smaller than the sum of its proper divisors (366191460).

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

265056066 is a wasteful number, since it uses less digits than its factorization.

265056066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121727 (or 121713 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 265056066 is about 16280.5425585267. The cubic root of 265056066 is about 642.3611238749.

The spelling of 265056066 in words is "two hundred sixty-five million, fifty-six thousand, sixty-six".