16671061 has 8 divisors (see below), whose sum is σ = 18222624. Its totient is φ = 15125520.

The previous prime is 16671043. The next prime is 16671071. The reversal of 16671061 is 16017661.

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 16671061 - 2¹⁷ = 16539989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16671001) 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, 5895 + ... + 8251.

It is an arithmetic number, because the mean of its divisors is an integer number (2277828).

Almost surely, 2^16671061 is an apocalyptic number.

16671061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16671061 is a deficient number, since it is larger than the sum of its proper divisors (1551563).

16671061 is a wasteful number, since it uses less digits than its factorization.

16671061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 16671061 is about 4083.0210628896. The cubic root of 16671061 is about 255.4589249523.

The spelling of 16671061 in words is "sixteen million, six hundred seventy-one thousand, sixty-one".