16138011 has 16 divisors (see below), whose sum is σ = 23383040. Its totient is φ = 9862560.

The previous prime is 16138009. The next prime is 16138013. The reversal of 16138011 is 11083161.

It is an interprime number because it is at equal distance from previous prime (16138009) and next prime (16138013).

It is not a de Polignac number, because 16138011 - 2¹ = 16138009 is a prime.

It is a super-2 number, since 2×16138011² = 520870798072242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16138013) 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, 2800 + ... + 6333.

It is an arithmetic number, because the mean of its divisors is an integer number (1461440).

Almost surely, 2^16138011 is an apocalyptic number.

16138011 is a deficient number, since it is larger than the sum of its proper divisors (7245029).

16138011 is a wasteful number, since it uses less digits than its factorization.

16138011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9186.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 16138011 is about 4017.2143333410. The cubic root of 16138011 is about 252.7066491155.

The spelling of 16138011 in words is "sixteen million, one hundred thirty-eight thousand, eleven".