1616500111164 has 48 divisors (see below), whose sum is σ = 3825747222528. Its totient is φ = 531185473728.

The previous prime is 1616500111151. The next prime is 1616500111169. The reversal of 1616500111164 is 4611110056161.

It is a super-2 number, since 2×1616500111164² (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 (1616500111169) 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, 3138744 + ... + 3617279.

It is an arithmetic number, because the mean of its divisors is an integer number (79703067136).

Almost surely, 2^{1616500111164} is an apocalyptic number.

It is an amenable number.

1616500111164 is an abundant number, since it is smaller than the sum of its proper divisors (2209247111364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1616500111164 is a wasteful number, since it uses less digits than its factorization.

1616500111164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6756314 (or 6756312 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 33.

The spelling of 1616500111164 in words is "one trillion, six hundred sixteen billion, five hundred million, one hundred eleven thousand, one hundred sixty-four".