16251671120 has 80 divisors (see below), whose sum is σ = 38826270912. Its totient is φ = 6322821120.

The previous prime is 16251671113. The next prime is 16251671159. The reversal of 16251671120 is 2117615261.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 819239 + ... + 838841.

Almost surely, 2^16251671120 is an apocalyptic number.

16251671120 is a gapful number since it is divisible by the number (10) 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 16251671120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19413135456).

16251671120 is an abundant number, since it is smaller than the sum of its proper divisors (22574599792).

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

16251671120 is a wasteful number, since it uses less digits than its factorization.

16251671120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19900 (or 19894 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The spelling of 16251671120 in words is "sixteen billion, two hundred fifty-one million, six hundred seventy-one thousand, one hundred twenty".