16074021 has 16 divisors (see below), whose sum is σ = 22161600. Its totient is φ = 10355328.

The previous prime is 16074017. The next prime is 16074041. The reversal of 16074021 is 12047061.

16074021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16074021 - 2² = 16074017 is a prime.

It is a super-2 number, since 2×16074021² = 516748302216882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16074001) 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, 19465 + ... + 20273.

It is an arithmetic number, because the mean of its divisors is an integer number (1385100).

Almost surely, 2^16074021 is an apocalyptic number.

It is an amenable number.

16074021 is a deficient number, since it is larger than the sum of its proper divisors (6087579).

16074021 is a wasteful number, since it uses less digits than its factorization.

16074021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 16074021 is about 4009.2419482990. The cubic root of 16074021 is about 252.3721981746.

The spelling of 16074021 in words is "sixteen million, seventy-four thousand, twenty-one".