66432265 has 8 divisors (see below), whose sum is σ = 83914560. Its totient is φ = 50348592.

The previous prime is 66432251. The next prime is 66432307. The reversal of 66432265 is 56223466.

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

It is a cyclic number.

It is not a de Polignac number, because 66432265 - 2²¹ = 64335113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66432265.

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, 349549 + ... + 349738.

It is an arithmetic number, because the mean of its divisors is an integer number (10489320).

Almost surely, 2^66432265 is an apocalyptic number.

It is an amenable number.

66432265 is a deficient number, since it is larger than the sum of its proper divisors (17482295).

66432265 is a wasteful number, since it uses less digits than its factorization.

66432265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699311.

The product of its digits is 51840, while the sum is 34.

The square root of 66432265 is about 8150.5990577380. The cubic root of 66432265 is about 405.0043488839.

The spelling of 66432265 in words is "sixty-six million, four hundred thirty-two thousand, two hundred sixty-five".