1616487114681 has 12 divisors (see below), whose sum is σ = 2415440516580. Its totient is φ = 1040497452960.

The previous prime is 1616487114679. The next prime is 1616487114689. The reversal of 1616487114681 is 1864117846161.

1616487114681 is a `hidden beast` number, since 1 + 6 + 16 + 487 + 1 + 146 + 8 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 674599395600 + 941887719081 = 821340^2 + 970509^2 .

It is not a de Polignac number, because 1616487114681 - 2¹ = 1616487114679 is a prime.

It is a super-2 number, since 2×1616487114681² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616487114689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3096718350 + ... + 3096718871.

It is an arithmetic number, because the mean of its divisors is an integer number (201286709715).

Almost surely, 2^{1616487114681} is an apocalyptic number.

It is an amenable number.

1616487114681 is a deficient number, since it is larger than the sum of its proper divisors (798953401899).

1616487114681 is a wasteful number, since it uses less digits than its factorization.

1616487114681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6193437256 (or 6193437253 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 54.

The spelling of 1616487114681 in words is "one trillion, six hundred sixteen billion, four hundred eighty-seven million, one hundred fourteen thousand, six hundred eighty-one".