3665965598 has 16 divisors (see below), whose sum is σ = 5522798160. Its totient is φ = 1825049856.

The previous prime is 3665965579. The next prime is 3665965637. The reversal of 3665965598 is 8955695663.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3665965598.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487886 + ... + 495342.

It is an arithmetic number, because the mean of its divisors is an integer number (345174885).

Almost surely, 2^3665965598 is an apocalyptic number.

3665965598 is a deficient number, since it is larger than the sum of its proper divisors (1856832562).

3665965598 is a wasteful number, since it uses less digits than its factorization.

3665965598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8491.

The product of its digits is 52488000, while the sum is 62.

The square root of 3665965598 is about 60547.2179212224. The cubic root of 3665965598 is about 1541.9233850018.

The spelling of 3665965598 in words is "three billion, six hundred sixty-five million, nine hundred sixty-five thousand, five hundred ninety-eight".