16891002 has 48 divisors (see below), whose sum is σ = 37957920. Its totient is φ = 5425056.

The previous prime is 16890997. The next prime is 16891003. The reversal of 16891002 is 20019861.

It is not an unprimeable number, because it can be changed into a prime (16891003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107508 + ... + 107664.

It is an arithmetic number, because the mean of its divisors is an integer number (790790).

Almost surely, 2^16891002 is an apocalyptic number.

16891002 is an abundant number, since it is smaller than the sum of its proper divisors (21066918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16891002 is a wasteful number, since it uses less digits than its factorization.

16891002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 16891002 is about 4109.8664211869. The cubic root of 16891002 is about 256.5774420474.

The spelling of 16891002 in words is "sixteen million, eight hundred ninety-one thousand, two".