16071641 has 8 divisors (see below), whose sum is σ = 16848000. Its totient is φ = 15301792.

The previous prime is 16071623. The next prime is 16071677. The reversal of 16071641 is 14617061.

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

It is a cyclic number.

It is not a de Polignac number, because 16071641 - 2⁶ = 16071577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16071641.

It is not an unprimeable number, because it can be changed into a prime (16071691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3860 + ... + 6858.

It is an arithmetic number, because the mean of its divisors is an integer number (2106000).

Almost surely, 2^16071641 is an apocalyptic number.

It is an amenable number.

16071641 is a deficient number, since it is larger than the sum of its proper divisors (776359).

16071641 is a wasteful number, since it uses less digits than its factorization.

16071641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 16071641 is about 4008.9451230966. The cubic root of 16071641 is about 252.3597417295.

Subtracting from 16071641 its sum of digits (26), we obtain a triangular number (16071615 = T₅₆₆₉).

The spelling of 16071641 in words is "sixteen million, seventy-one thousand, six hundred forty-one".