65650158 has 48 divisors (see below), whose sum is σ = 172130400. Its totient is φ = 17653248.

The previous prime is 65650153. The next prime is 65650163. The reversal of 65650158 is 85105656.

It is an interprime number because it is at equal distance from previous prime (65650153) and next prime (65650163).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65650153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13183 + ... + 17466.

It is an arithmetic number, because the mean of its divisors is an integer number (3586050).

Almost surely, 2^65650158 is an apocalyptic number.

65650158 is an abundant number, since it is smaller than the sum of its proper divisors (106480242).

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

65650158 is a wasteful number, since it uses less digits than its factorization.

65650158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30681 (or 30678 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 65650158 is about 8102.4785096907. The cubic root of 65650158 is about 403.4086985881.

The spelling of 65650158 in words is "sixty-five million, six hundred fifty thousand, one hundred fifty-eight".