16969609152 has 84 divisors (see below), whose sum is σ = 48746593896. Its totient is φ = 5644177920.

The previous prime is 16969609147. The next prime is 16969609169. The reversal of 16969609152 is 25190696961.

16969609152 is a `hidden beast` number, since 16 + 9 + 6 + 9 + 609 + 15 + 2 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 233583 + ... + 297489.

It is an arithmetic number, because the mean of its divisors is an integer number (580316594).

Almost surely, 2^16969609152 is an apocalyptic number.

16969609152 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 16969609152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24373296948).

16969609152 is an abundant number, since it is smaller than the sum of its proper divisors (31776984744).

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

16969609152 is a wasteful number, since it uses less digits than its factorization.

16969609152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64386 (or 64373 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 54.

The spelling of 16969609152 in words is "sixteen billion, nine hundred sixty-nine million, six hundred nine thousand, one hundred fifty-two".