16909134112 has 144 divisors (see below), whose sum is σ = 38195115840. Its totient is φ = 7349861376.

The previous prime is 16909134091. The next prime is 16909134131. The reversal of 16909134112 is 21143190961.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8332714 + ... + 8334742.

It is an arithmetic number, because the mean of its divisors is an integer number (265243860).

Almost surely, 2^16909134112 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 16909134112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19097557920).

16909134112 is an abundant number, since it is smaller than the sum of its proper divisors (21285981728).

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

16909134112 is a wasteful number, since it uses less digits than its factorization.

16909134112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155 (or 2134 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 37.

It can be divided in two parts, 169091 and 34112, that added together give a triangular number (203203 = T₆₃₇).

The spelling of 16909134112 in words is "sixteen billion, nine hundred nine million, one hundred thirty-four thousand, one hundred twelve".