16137266149 has 4 divisors (see below), whose sum is σ = 16206525036. Its totient is φ = 16068007264.

The previous prime is 16137266113. The next prime is 16137266203. The reversal of 16137266149 is 94166273161.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9035833249 + 7101432900 = 95057^2 + 84270^2 .

It is a cyclic number.

It is not a de Polignac number, because 16137266149 - 2¹⁹ = 16136741861 is a prime.

It is a super-2 number, since 2×16137266149² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16137266099 and 16137266108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16137266449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34629094 + ... + 34629559.

It is an arithmetic number, because the mean of its divisors is an integer number (4051631259).

Almost surely, 2^16137266149 is an apocalyptic number.

It is an amenable number.

16137266149 is a deficient number, since it is larger than the sum of its proper divisors (69258887).

16137266149 is an equidigital number, since it uses as much as digits as its factorization.

16137266149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69258886.

The product of its digits is 326592, while the sum is 46.

The spelling of 16137266149 in words is "sixteen billion, one hundred thirty-seven million, two hundred sixty-six thousand, one hundred forty-nine".