16162149 has 4 divisors (see below), whose sum is σ = 21549536. Its totient is φ = 10774764.

The previous prime is 16162099. The next prime is 16162151. The reversal of 16162149 is 94126161.

It is a happy number.

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 not a de Polignac number, because 16162149 - 2¹² = 16158053 is a prime.

It is a super-2 number, since 2×16162149² = 522430120596402, which 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 (16162249) 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, 2693689 + ... + 2693694.

It is an arithmetic number, because the mean of its divisors is an integer number (5387384).

Almost surely, 2^16162149 is an apocalyptic number.

It is an amenable number.

16162149 is a deficient number, since it is larger than the sum of its proper divisors (5387387).

16162149 is an equidigital number, since it uses as much as digits as its factorization.

16162149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5387386.

The product of its digits is 2592, while the sum is 30.

The square root of 16162149 is about 4020.2175314279. The cubic root of 16162149 is about 252.8325794299.

It can be divided in two parts, 16 and 162149, that added together give a triangular number (162165 = T₅₆₉).

The spelling of 16162149 in words is "sixteen million, one hundred sixty-two thousand, one hundred forty-nine".