16316533601 has 4 divisors (see below), whose sum is σ = 16407687600. Its totient is φ = 16225379604.

The previous prime is 16316533591. The next prime is 16316533609. The reversal of 16316533601 is 10633561361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16316533601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16316533609) 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, 45576731 + ... + 45577088.

It is an arithmetic number, because the mean of its divisors is an integer number (4101921900).

Almost surely, 2^16316533601 is an apocalyptic number.

It is an amenable number.

16316533601 is a deficient number, since it is larger than the sum of its proper divisors (91153999).

16316533601 is an equidigital number, since it uses as much as digits as its factorization.

16316533601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91153998.

The product of its (nonzero) digits is 29160, while the sum is 35.

The spelling of 16316533601 in words is "sixteen billion, three hundred sixteen million, five hundred thirty-three thousand, six hundred one".