16838667036 has 72 divisors (see below), whose sum is σ = 44154801600. Its totient is φ = 5406635520.

The previous prime is 16838667029. The next prime is 16838667037. The reversal of 16838667036 is 63076683861.

16838667036 is a `hidden beast` number, since 168 + 386 + 6 + 70 + 36 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16838667037) 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, 44400 + ... + 188808.

Almost surely, 2^16838667036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16838667036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22077400800).

16838667036 is an abundant number, since it is smaller than the sum of its proper divisors (27316134564).

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

16838667036 is a wasteful number, since it uses less digits than its factorization.

16838667036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144539 (or 144534 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 16838667036 in words is "sixteen billion, eight hundred thirty-eight million, six hundred sixty-seven thousand, thirty-six".