1616011606165 has 16 divisors (see below), whose sum is σ = 2239947639360. Its totient is φ = 1106146981120.

The previous prime is 1616011606141. The next prime is 1616011606169. The reversal of 1616011606165 is 5616061106161.

It is not a de Polignac number, because 1616011606165 - 2²⁹ = 1615474735253 is a prime.

It is a super-2 number, since 2×1616011606165² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616011606169) 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, 864176395 + ... + 864178264.

It is an arithmetic number, because the mean of its divisors is an integer number (139996727460).

Almost surely, 2^{1616011606165} is an apocalyptic number.

It is an amenable number.

1616011606165 is a deficient number, since it is larger than the sum of its proper divisors (623936033195).

1616011606165 is a wasteful number, since it uses less digits than its factorization.

1616011606165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728354692.

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 1616011606165 in words is "one trillion, six hundred sixteen billion, eleven million, six hundred six thousand, one hundred sixty-five".