16300604981 has 4 divisors (see below), whose sum is σ = 16315384512. Its totient is φ = 16285825452.

The previous prime is 16300604959. The next prime is 16300605043. The reversal of 16300604981 is 18940600361.

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 not a de Polignac number, because 16300604981 - 2¹⁴ = 16300588597 is a prime.

It is a super-2 number, since 2×16300604981² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16300604951) 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, 7388111 + ... + 7390316.

It is an arithmetic number, because the mean of its divisors is an integer number (4078846128).

Almost surely, 2^16300604981 is an apocalyptic number.

It is an amenable number.

16300604981 is a deficient number, since it is larger than the sum of its proper divisors (14779531).

16300604981 is a wasteful number, since it uses less digits than its factorization.

16300604981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14779530.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 16300604981 in words is "sixteen billion, three hundred million, six hundred four thousand, nine hundred eighty-one".