65966950 has 48 divisors (see below), whose sum is σ = 143678304. Its totient is φ = 22060800.

The previous prime is 65966947. The next prime is 65966959. The reversal of 65966950 is 5966956.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 65966950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65966959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12052 + ... + 16648.

It is an arithmetic number, because the mean of its divisors is an integer number (2993298).

Almost surely, 2^65966950 is an apocalyptic number.

65966950 is an abundant number, since it is smaller than the sum of its proper divisors (77711354).

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

65966950 is a wasteful number, since it uses less digits than its factorization.

65966950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4657 (or 4652 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 46.

The square root of 65966950 is about 8122.0040630376. The cubic root of 65966950 is about 404.0565347475.

The spelling of 65966950 in words is "sixty-five million, nine hundred sixty-six thousand, nine hundred fifty".