1616364347543 has 4 divisors (see below), whose sum is σ = 1763306560968. Its totient is φ = 1469422134120.

The previous prime is 1616364347537. The next prime is 1616364347557. The reversal of 1616364347543 is 3457434636161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1616364347543 - 2¹⁶ = 1616364282007 is a prime.

It is a super-2 number, since 2×1616364347543² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616364347243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73471106696 + ... + 73471106717.

It is an arithmetic number, because the mean of its divisors is an integer number (440826640242).

Almost surely, 2^{1616364347543} is an apocalyptic number.

1616364347543 is a deficient number, since it is larger than the sum of its proper divisors (146942213425).

1616364347543 is a wasteful number, since it uses less digits than its factorization.

1616364347543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146942213424.

The product of its digits is 13063680, while the sum is 53.

The spelling of 1616364347543 in words is "one trillion, six hundred sixteen billion, three hundred sixty-four million, three hundred forty-seven thousand, five hundred forty-three".