16542946 has 16 divisors (see below), whose sum is σ = 28566720. Its totient is φ = 7038000.

The previous prime is 16542941. The next prime is 16542947. The reversal of 16542946 is 64924561.

It is not an unprimeable number, because it can be changed into a prime (16542941) 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, 2305 + ... + 6196.

It is an arithmetic number, because the mean of its divisors is an integer number (1785420).

Almost surely, 2^16542946 is an apocalyptic number.

16542946 is a deficient number, since it is larger than the sum of its proper divisors (12023774).

16542946 is a wasteful number, since it uses less digits than its factorization.

16542946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8649.

The product of its digits is 51840, while the sum is 37.

The square root of 16542946 is about 4067.3020541878. The cubic root of 16542946 is about 254.8028515906.

The spelling of 16542946 in words is "sixteen million, five hundred forty-two thousand, nine hundred forty-six".