16541949 has 8 divisors (see below), whose sum is σ = 22258720. Its totient is φ = 10926576.

The previous prime is 16541947. The next prime is 16541963. The reversal of 16541949 is 94914561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16541949 - 2¹ = 16541947 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16541947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24967 + ... + 25620.

It is an arithmetic number, because the mean of its divisors is an integer number (2782340).

Almost surely, 2^16541949 is an apocalyptic number.

It is an amenable number.

16541949 is a deficient number, since it is larger than the sum of its proper divisors (5716771).

16541949 is a wasteful number, since it uses less digits than its factorization.

16541949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50699.

The product of its digits is 38880, while the sum is 39.

The square root of 16541949 is about 4067.1794895234. The cubic root of 16541949 is about 254.7977327210.

The spelling of 16541949 in words is "sixteen million, five hundred forty-one thousand, nine hundred forty-nine".