16363620843 has 8 divisors (see below), whose sum is σ = 22125459456. Its totient is φ = 10755431400.

The previous prime is 16363620841. The next prime is 16363620863. The reversal of 16363620843 is 34802636361.

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

It is not a de Polignac number, because 16363620843 - 2¹ = 16363620841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16363620795 and 16363620804.

It is not an unprimeable number, because it can be changed into a prime (16363620841) 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, 38412043 + ... + 38412468.

It is an arithmetic number, because the mean of its divisors is an integer number (2765682432).

Almost surely, 2^16363620843 is an apocalyptic number.

16363620843 is a deficient number, since it is larger than the sum of its proper divisors (5761838613).

16363620843 is an equidigital number, since it uses as much as digits as its factorization.

16363620843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76824585.

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 16363620843 in words is "sixteen billion, three hundred sixty-three million, six hundred twenty thousand, eight hundred forty-three".