16021146 has 8 divisors (see below), whose sum is σ = 32042304. Its totient is φ = 5340380.

The previous prime is 16021139. The next prime is 16021151. The reversal of 16021146 is 64112061.

It is a sphenic number, since it is the product of 3 distinct primes.

16021146 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1335090 + ... + 1335101.

It is an arithmetic number, because the mean of its divisors is an integer number (4005288).

Almost surely, 2^16021146 is an apocalyptic number.

16021146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16021146 is a wasteful number, since it uses less digits than its factorization.

16021146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670196.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 16021146 is about 4002.6423772303. The cubic root of 16021146 is about 252.0951706544.

The spelling of 16021146 in words is "sixteen million, twenty-one thousand, one hundred forty-six".