1613163543 has 8 divisors (see below), whose sum is σ = 2158822656. Its totient is φ = 1071473400.

The previous prime is 1613163529. The next prime is 1613163551. The reversal of 1613163543 is 3453613161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1613163543 - 2¹³ = 1613155351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613163743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 991293 + ... + 992918.

It is an arithmetic number, because the mean of its divisors is an integer number (269852832).

Almost surely, 2^1613163543 is an apocalyptic number.

1613163543 is a deficient number, since it is larger than the sum of its proper divisors (545659113).

1613163543 is a wasteful number, since it uses less digits than its factorization.

1613163543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984485.

The product of its digits is 19440, while the sum is 33.

The square root of 1613163543 is about 40164.2072372903. The cubic root of 1613163543 is about 1172.8058750114.

It can be divided in two parts, 1613163 and 543, that added together give a triangular number (1613706 = T₁₇₉₆).

The spelling of 1613163543 in words is "one billion, six hundred thirteen million, one hundred sixty-three thousand, five hundred forty-three".