65016842265 has 80 divisors (see below), whose sum is σ = 117206369280. Its totient is φ = 34480702080.

The previous prime is 65016842239. The next prime is 65016842299. The reversal of 65016842265 is 56224861056.

65016842265 is a `hidden beast` number, since 6 + 5 + 0 + 168 + 422 + 65 = 666.

It is not a de Polignac number, because 65016842265 - 2²² = 65012647961 is a prime.

It is a super-2 number, since 2×65016842265² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 65016842265.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 89431332 + ... + 89432058.

It is an arithmetic number, because the mean of its divisors is an integer number (1465079616).

Almost surely, 2^65016842265 is an apocalyptic number.

It is an amenable number.

65016842265 is a deficient number, since it is larger than the sum of its proper divisors (52189527015).

65016842265 is a wasteful number, since it uses less digits than its factorization.

65016842265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684 (or 1675 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 65016842265 in words is "sixty-five billion, sixteen million, eight hundred forty-two thousand, two hundred sixty-five".