16049913 has 16 divisors (see below), whose sum is σ = 23520000. Its totient is φ = 9654480.

The previous prime is 16049899. The next prime is 16049939. The reversal of 16049913 is 31994061.

It is not a de Polignac number, because 16049913 - 2⁵ = 16049881 is a prime.

It is a super-3 number, since 3×16049913³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16049713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2838 + ... + 6336.

It is an arithmetic number, because the mean of its divisors is an integer number (1470000).

Almost surely, 2^16049913 is an apocalyptic number.

It is an amenable number.

16049913 is a deficient number, since it is larger than the sum of its proper divisors (7470087).

16049913 is a wasteful number, since it uses less digits than its factorization.

16049913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3652.

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

The square root of 16049913 is about 4006.2342667398. The cubic root of 16049913 is about 252.2459648112.

The spelling of 16049913 in words is "sixteen million, forty-nine thousand, nine hundred thirteen".