65650634 has 32 divisors (see below), whose sum is σ = 121720320. Its totient is φ = 25913088.

The previous prime is 65650631. The next prime is 65650639. The reversal of 65650634 is 43605656.

It is a junction number, because it is equal to n+sod(n) for n = 65650594 and 65650603.

It is not an unprimeable number, because it can be changed into a prime (65650631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8252 + ... + 14120.

It is an arithmetic number, because the mean of its divisors is an integer number (3803760).

Almost surely, 2^65650634 is an apocalyptic number.

65650634 is a deficient number, since it is larger than the sum of its proper divisors (56069686).

65650634 is a wasteful number, since it uses less digits than its factorization.

65650634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5942.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 65650634 is about 8102.5078833655. The cubic root of 65650634 is about 403.4096735646.

The spelling of 65650634 in words is "sixty-five million, six hundred fifty thousand, six hundred thirty-four".