1616542231323 has 8 divisors (see below), whose sum is σ = 2171842998336. Its totient is φ = 1069468142600.

The previous prime is 1616542231267. The next prime is 1616542231373. The reversal of 1616542231323 is 3231322456161.

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

It is a cyclic number.

It is not a de Polignac number, because 1616542231323 - 2¹⁰ = 1616542230299 is a prime.

It is a super-2 number, since 2×1616542231323² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616542231373) 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, 2056669113 + ... + 2056669898.

It is an arithmetic number, because the mean of its divisors is an integer number (271480374792).

Almost surely, 2^{1616542231323} is an apocalyptic number.

1616542231323 is a deficient number, since it is larger than the sum of its proper divisors (555300767013).

1616542231323 is a wasteful number, since it uses less digits than its factorization.

1616542231323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4113339145.

The product of its digits is 155520, while the sum is 39.

Adding to 1616542231323 its reverse (3231322456161), we get a palindrome (4847864687484).

The spelling of 1616542231323 in words is "one trillion, six hundred sixteen billion, five hundred forty-two million, two hundred thirty-one thousand, three hundred twenty-three".