16961472 has 84 divisors (see below), whose sum is σ = 53056536. Its totient is φ = 5137920.

The previous prime is 16961467. The next prime is 16961473. The reversal of 16961472 is 27416961.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16961473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4998 + ... + 7674.

Almost surely, 2^16961472 is an apocalyptic number.

16961472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16961472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26528268).

16961472 is an abundant number, since it is smaller than the sum of its proper divisors (36095064).

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

16961472 is a wasteful number, since it uses less digits than its factorization.

16961472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706 (or 2693 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 16961472 is about 4118.4307691158. The cubic root of 16961472 is about 256.9337644163.

The spelling of 16961472 in words is "sixteen million, nine hundred sixty-one thousand, four hundred seventy-two".