16493129 has 4 divisors (see below), whose sum is σ = 16536576. Its totient is φ = 16449684.

The previous prime is 16493107. The next prime is 16493131. The reversal of 16493129 is 92139461.

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: 92139461 = 197 ⋅467713.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16493129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16493149) 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, 21149 + ... + 21914.

It is an arithmetic number, because the mean of its divisors is an integer number (4134144).

Almost surely, 2^16493129 is an apocalyptic number.

It is an amenable number.

16493129 is a deficient number, since it is larger than the sum of its proper divisors (43447).

16493129 is an equidigital number, since it uses as much as digits as its factorization.

16493129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43446.

The product of its digits is 11664, while the sum is 35.

The square root of 16493129 is about 4061.1733526162. The cubic root of 16493129 is about 254.5468255144.

The spelling of 16493129 in words is "sixteen million, four hundred ninety-three thousand, one hundred twenty-nine".