16136344361 has 4 divisors (see below), whose sum is σ = 16137440592. Its totient is φ = 16135248132.

The previous prime is 16136344351. The next prime is 16136344369. The reversal of 16136344361 is 16344363161.

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-16136344361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16136344369) 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, 525731 + ... + 555576.

It is an arithmetic number, because the mean of its divisors is an integer number (4034360148).

Almost surely, 2^16136344361 is an apocalyptic number.

It is an amenable number.

16136344361 is a deficient number, since it is larger than the sum of its proper divisors (1096231).

16136344361 is a wasteful number, since it uses less digits than its factorization.

16136344361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096230.

The product of its digits is 93312, while the sum is 38.

The spelling of 16136344361 in words is "sixteen billion, one hundred thirty-six million, three hundred forty-four thousand, three hundred sixty-one".