16771946 has 16 divisors (see below), whose sum is σ = 26568000. Its totient is φ = 7918848.

The previous prime is 16771933. The next prime is 16771949. The reversal of 16771946 is 64917761.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (16771949) 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, 16571 + ... + 17553.

It is an arithmetic number, because the mean of its divisors is an integer number (1660500).

Almost surely, 2^16771946 is an apocalyptic number.

16771946 is a deficient number, since it is larger than the sum of its proper divisors (9796054).

16771946 is a wasteful number, since it uses less digits than its factorization.

16771946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453.

The product of its digits is 63504, while the sum is 41.

The square root of 16771946 is about 4095.3566389266. The cubic root of 16771946 is about 255.9731925868.

The spelling of 16771946 in words is "sixteen million, seven hundred seventy-one thousand, nine hundred forty-six".