16013949 has 32 divisors (see below), whose sum is σ = 26689536. Its totient is φ = 8328960.

The previous prime is 16013939. The next prime is 16013951. The reversal of 16013949 is 94931061.

It is not a de Polignac number, because 16013949 - 2⁵ = 16013917 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16013929) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10344 + ... + 11790.

It is an arithmetic number, because the mean of its divisors is an integer number (834048).

Almost surely, 2^16013949 is an apocalyptic number.

It is an amenable number.

16013949 is a deficient number, since it is larger than the sum of its proper divisors (10675587).

16013949 is a wasteful number, since it uses less digits than its factorization.

16013949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 16013949 is about 4001.7432451370. The cubic root of 16013949 is about 252.0574163704.

The spelling of 16013949 in words is "sixteen million, thirteen thousand, nine hundred forty-nine".