16445696508 has 108 divisors (see below), whose sum is σ = 43161109992. Its totient is φ = 5275782720.

The previous prime is 16445696503. The next prime is 16445696513. The reversal of 16445696508 is 80569654461.

16445696508 is a `hidden beast` number, since 1 + 6 + 4 + 45 + 6 + 96 + 508 = 666.

It is an interprime number because it is at equal distance from previous prime (16445696503) and next prime (16445696513).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16445696503) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 53568891 + ... + 53569197.

Almost surely, 2^16445696508 is an apocalyptic number.

16445696508 is a gapful number since it is divisible by the number (18) 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 16445696508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21580554996).

16445696508 is an abundant number, since it is smaller than the sum of its proper divisors (26715413484).

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

16445696508 is a wasteful number, since it uses less digits than its factorization.

16445696508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 16445696508 in words is "sixteen billion, four hundred forty-five million, six hundred ninety-six thousand, five hundred eight".