245616165 has 32 divisors (see below), whose sum is σ = 442650240. Its totient is φ = 129195648.

The previous prime is 245616121. The next prime is 245616209. The reversal of 245616165 is 561616542.

245616165 is a `hidden beast` number, since 24 + 5 + 616 + 16 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (245616121) and next prime (245616209).

It is not a de Polignac number, because 245616165 - 2⁹ = 245615653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2607 + ... + 22316.

It is an arithmetic number, because the mean of its divisors is an integer number (13832820).

Almost surely, 2^245616165 is an apocalyptic number.

It is an amenable number.

245616165 is a deficient number, since it is larger than the sum of its proper divisors (197034075).

245616165 is a wasteful number, since it uses less digits than its factorization.

245616165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25010 (or 25004 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 245616165 is about 15672.1461516922. The cubic root of 245616165 is about 626.2565993066.

The spelling of 245616165 in words is "two hundred forty-five million, six hundred sixteen thousand, one hundred sixty-five".