16145600203 has 4 divisors (see below), whose sum is σ = 16666426048. Its totient is φ = 15624774360.

The previous prime is 16145600197. The next prime is 16145600221. The reversal of 16145600203 is 30200654161.

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 16145600203 - 2⁵ = 16145600171 is a prime.

It is a super-2 number, since 2×16145600203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16145600293) 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, 260412876 + ... + 260412937.

It is an arithmetic number, because the mean of its divisors is an integer number (4166606512).

Almost surely, 2^16145600203 is an apocalyptic number.

16145600203 is a deficient number, since it is larger than the sum of its proper divisors (520825845).

16145600203 is an equidigital number, since it uses as much as digits as its factorization.

16145600203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520825844.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 16145600203 in words is "sixteen billion, one hundred forty-five million, six hundred thousand, two hundred three".