16945132 has 6 divisors (see below), whose sum is σ = 29653988. Its totient is φ = 8472564.

The previous prime is 16945121. The next prime is 16945133. The reversal of 16945132 is 23154961.

It is a junction number, because it is equal to n+sod(n) for n = 16945094 and 16945103.

It is not an unprimeable number, because it can be changed into a prime (16945133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2118138 + ... + 2118145.

Almost surely, 2^16945132 is an apocalyptic number.

It is an amenable number.

16945132 is a deficient number, since it is larger than the sum of its proper divisors (12708856).

16945132 is a wasteful number, since it uses less digits than its factorization.

16945132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4236287 (or 4236285 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 16945132 is about 4116.4465258278. The cubic root of 16945132 is about 256.8512313557.

The spelling of 16945132 in words is "sixteen million, nine hundred forty-five thousand, one hundred thirty-two".