65168782 has 16 divisors (see below), whose sum is σ = 112289760. Its totient is φ = 27786528.

The previous prime is 65168773. The next prime is 65168783. The reversal of 65168782 is 28786156.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65168783) 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, 9057 + ... + 14572.

It is an arithmetic number, because the mean of its divisors is an integer number (7018110).

Almost surely, 2^65168782 is an apocalyptic number.

65168782 is a deficient number, since it is larger than the sum of its proper divisors (47120978).

65168782 is a wasteful number, since it uses less digits than its factorization.

65168782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23835.

The product of its digits is 161280, while the sum is 43.

The square root of 65168782 is about 8072.7183773497. The cubic root of 65168782 is about 402.4202884727.

The spelling of 65168782 in words is "sixty-five million, one hundred sixty-eight thousand, seven hundred eighty-two".