16377946 has 8 divisors (see below), whose sum is σ = 26456724. Its totient is φ = 7559040.

The previous prime is 16377941. The next prime is 16377961. The reversal of 16377946 is 64977361.

It can be written as a sum of positive squares in 2 ways, for example, as 16281225 + 96721 = 4035^2 + 311^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16377941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314935 + ... + 314986.

Almost surely, 2^16377946 is an apocalyptic number.

16377946 is a deficient number, since it is larger than the sum of its proper divisors (10078778).

16377946 is a wasteful number, since it uses less digits than its factorization.

16377946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629936.

The product of its digits is 190512, while the sum is 43.

The square root of 16377946 is about 4046.9675066647. The cubic root of 16377946 is about 253.9528814989.

The spelling of 16377946 in words is "sixteen million, three hundred seventy-seven thousand, nine hundred forty-six".