65663562 has 16 divisors (see below), whose sum is σ = 132533280. Its totient is φ = 21686832.

The previous prime is 65663561. The next prime is 65663579. The reversal of 65663562 is 26536656.

It is a self number, because there is not a number n which added to its sum of digits gives 65663562.

It is not an unprimeable number, because it can be changed into a prime (65663561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49548 + ... + 50855.

It is an arithmetic number, because the mean of its divisors is an integer number (8283330).

Almost surely, 2^65663562 is an apocalyptic number.

65663562 is an abundant number, since it is smaller than the sum of its proper divisors (66869718).

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

65663562 is a wasteful number, since it uses less digits than its factorization.

65663562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100517.

The product of its digits is 194400, while the sum is 39.

The square root of 65663562 is about 8103.3056217818. The cubic root of 65663562 is about 403.4361517956.

The spelling of 65663562 in words is "sixty-five million, six hundred sixty-three thousand, five hundred sixty-two".