65605146 has 16 divisors (see below), whose sum is σ = 131289984. Its totient is φ = 21855104.

The previous prime is 65605123. The next prime is 65605151. The reversal of 65605146 is 64150656.

65605146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16330 + ... + 19946.

It is an arithmetic number, because the mean of its divisors is an integer number (8205624).

Almost surely, 2^65605146 is an apocalyptic number.

65605146 is an abundant number, since it is smaller than the sum of its proper divisors (65684838).

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

65605146 is a wasteful number, since it uses less digits than its factorization.

65605146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6645.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 65605146 is about 8099.7003648283. The cubic root of 65605146 is about 403.3164805623.

The spelling of 65605146 in words is "sixty-five million, six hundred five thousand, one hundred forty-six".