16071081 has 16 divisors (see below), whose sum is σ = 23237760. Its totient is φ = 9820800.

The previous prime is 16071073. The next prime is 16071109. The reversal of 16071081 is 18017061.

It is not a de Polignac number, because 16071081 - 2³ = 16071073 is a prime.

It is a super-2 number, since 2×16071081² = 516559289017122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16071071) 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, 4525 + ... + 7253.

It is an arithmetic number, because the mean of its divisors is an integer number (1452360).

Almost surely, 2^16071081 is an apocalyptic number.

It is an amenable number.

16071081 is a deficient number, since it is larger than the sum of its proper divisors (7166679).

16071081 is a wasteful number, since it uses less digits than its factorization.

16071081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896.

The product of its (nonzero) digits is 336, while the sum is 24.

The square root of 16071081 is about 4008.8752786785. The cubic root of 16071081 is about 252.3568106226.

The spelling of 16071081 in words is "sixteen million, seventy-one thousand, eighty-one".