1616137450543 has 16 divisors (see below), whose sum is σ = 2015203728384. Its totient is φ = 1259153436960.

The previous prime is 1616137450519. The next prime is 1616137450547. The reversal of 1616137450543 is 3450547316161.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1616137450543 is a prime.

It is a super-2 number, since 2×1616137450543² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1616137450493 and 1616137450502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616137450547) 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, 892855 + ... + 2007352.

It is an arithmetic number, because the mean of its divisors is an integer number (125950233024).

Almost surely, 2^{1616137450543} is an apocalyptic number.

1616137450543 is a deficient number, since it is larger than the sum of its proper divisors (399066277841).

1616137450543 is a wasteful number, since it uses less digits than its factorization.

1616137450543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2907462.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 1616137450543 in words is "one trillion, six hundred sixteen billion, one hundred thirty-seven million, four hundred fifty thousand, five hundred forty-three".