16745946 has 64 divisors (see below), whose sum is σ = 39936000. Its totient is φ = 4678128.

The previous prime is 16745893. The next prime is 16745951. The reversal of 16745946 is 64954761.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 16745898 and 16745907.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162531 + ... + 162633.

It is an arithmetic number, because the mean of its divisors is an integer number (624000).

Almost surely, 2^16745946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16745946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19968000).

16745946 is an abundant number, since it is smaller than the sum of its proper divisors (23190054).

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

16745946 is a wasteful number, since it uses less digits than its factorization.

16745946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 194 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 16745946 is about 4092.1810810373. The cubic root of 16745946 is about 255.8408536400.

The spelling of 16745946 in words is "sixteen million, seven hundred forty-five thousand, nine hundred forty-six".