65164650 has 24 divisors (see below), whose sum is σ = 161608704. Its totient is φ = 17377200.

The previous prime is 65164639. The next prime is 65164667. The reversal of 65164650 is 5646156.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217066 + ... + 217365.

It is an arithmetic number, because the mean of its divisors is an integer number (6733696).

Almost surely, 2^65164650 is an apocalyptic number.

65164650 is an abundant number, since it is smaller than the sum of its proper divisors (96444054).

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

65164650 is a wasteful number, since it uses less digits than its factorization.

65164650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434446 (or 434441 counting only the distinct ones).

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

The square root of 65164650 is about 8072.4624495875. The cubic root of 65164650 is about 402.4117831949.

The spelling of 65164650 in words is "sixty-five million, one hundred sixty-four thousand, six hundred fifty".