16158349 has 4 divisors (see below), whose sum is σ = 16186464. Its totient is φ = 16130236.

The previous prime is 16158299. The next prime is 16158367. The reversal of 16158349 is 94385161.

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: 94385161 = 13 ⋅7260397.

It is a cyclic number.

It is not a de Polignac number, because 16158349 - 2¹⁵ = 16125581 is a prime.

It is a super-2 number, since 2×16158349² = 522184484811602, 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 (16158049) 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, 13177 + ... + 14350.

It is an arithmetic number, because the mean of its divisors is an integer number (4046616).

Almost surely, 2^16158349 is an apocalyptic number.

It is an amenable number.

16158349 is a deficient number, since it is larger than the sum of its proper divisors (28115).

16158349 is an equidigital number, since it uses as much as digits as its factorization.

16158349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28114.

The product of its digits is 25920, while the sum is 37.

The square root of 16158349 is about 4019.7448924030. The cubic root of 16158349 is about 252.8127627766.

The spelling of 16158349 in words is "sixteen million, one hundred fifty-eight thousand, three hundred forty-nine".