2616118161165 has 48 divisors (see below), whose sum is σ = 4777417082880. Its totient is φ = 1320679209600.

The previous prime is 2616118161131. The next prime is 2616118161199. The reversal of 2616118161165 is 5611618116162.

2616118161165 is a `hidden beast` number, since 2 + 6 + 1 + 611 + 8 + 16 + 1 + 16 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (2616118161131) and next prime (2616118161199).

It is not a de Polignac number, because 2616118161165 - 2¹⁷ = 2616118030093 is a prime.

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

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 2616118161165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 345082 + ... + 2313291.

It is an arithmetic number, because the mean of its divisors is an integer number (99529522560).

Almost surely, 2^{2616118161165} is an apocalyptic number.

It is an amenable number.

2616118161165 is a deficient number, since it is larger than the sum of its proper divisors (2161298921715).

2616118161165 is a wasteful number, since it uses less digits than its factorization.

2616118161165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2659554 (or 2659551 counting only the distinct ones).

The product of its digits is 103680, while the sum is 45.

The spelling of 2616118161165 in words is "two trillion, six hundred sixteen billion, one hundred eighteen million, one hundred sixty-one thousand, one hundred sixty-five".