65665150 has 24 divisors (see below), whose sum is σ = 123355944. Its totient is φ = 26004000.

The previous prime is 65665133. The next prime is 65665163. The reversal of 65665150 is 5156656.

It is a congruent number.

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, 1452 + ... + 11551.

It is an arithmetic number, because the mean of its divisors is an integer number (5139831).

Almost surely, 2^65665150 is an apocalyptic number.

65665150 is a deficient number, since it is larger than the sum of its proper divisors (57690794).

65665150 is a wasteful number, since it uses less digits than its factorization.

65665150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13116 (or 13111 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 65665150 is about 8103.4036058930. The cubic root of 65665150 is about 403.4394039871.

The spelling of 65665150 in words is "sixty-five million, six hundred sixty-five thousand, one hundred fifty".