16314187693 has 4 divisors (see below), whose sum is σ = 16324216480. Its totient is φ = 16304158908.

The previous prime is 16314187691. The next prime is 16314187727. The reversal of 16314187693 is 39678141361.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39678141361 = 147107 ⋅269723.

It is a cyclic number.

It is not a de Polignac number, because 16314187693 - 2¹ = 16314187691 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16314187691) 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, 5011953 + ... + 5015206.

It is an arithmetic number, because the mean of its divisors is an integer number (4081054120).

Almost surely, 2^16314187693 is an apocalyptic number.

It is an amenable number.

16314187693 is a deficient number, since it is larger than the sum of its proper divisors (10028787).

16314187693 is a wasteful number, since it uses less digits than its factorization.

16314187693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10028786.

The product of its digits is 653184, while the sum is 49.

The spelling of 16314187693 in words is "sixteen billion, three hundred fourteen million, one hundred eighty-seven thousand, six hundred ninety-three".