16342946 has 4 divisors (see below), whose sum is σ = 24514422. Its totient is φ = 8171472.

The previous prime is 16342943. The next prime is 16342951. The reversal of 16342946 is 64924361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64924361 = 41 ⋅1583521.

It can be written as a sum of positive squares in only one way, i.e., 10530025 + 5812921 = 3245^2 + 2411^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16342943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4085735 + ... + 4085738.

Almost surely, 2^16342946 is an apocalyptic number.

16342946 is a deficient number, since it is larger than the sum of its proper divisors (8171476).

16342946 is an equidigital number, since it uses as much as digits as its factorization.

16342946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8171475.

The product of its digits is 31104, while the sum is 35.

The square root of 16342946 is about 4042.6409684759. The cubic root of 16342946 is about 253.7718516777.

The spelling of 16342946 in words is "sixteen million, three hundred forty-two thousand, nine hundred forty-six".