65594902090 has 16 divisors (see below), whose sum is σ = 118076837472. Its totient is φ = 26236624464.

The previous prime is 65594902081. The next prime is 65594902091. The reversal of 65594902090 is 9020949556.

It is not an unprimeable number, because it can be changed into a prime (65594902091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52897 + ... + 366043.

It is an arithmetic number, because the mean of its divisors is an integer number (7379802342).

Almost surely, 2^65594902090 is an apocalyptic number.

65594902090 is a deficient number, since it is larger than the sum of its proper divisors (52481935382).

65594902090 is a wasteful number, since it uses less digits than its factorization.

65594902090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334101.

The product of its (nonzero) digits is 874800, while the sum is 49.

The spelling of 65594902090 in words is "sixty-five billion, five hundred ninety-four million, nine hundred two thousand, ninety".