16951360920 has 128 divisors (see below), whose sum is σ = 54804556800. Its totient is φ = 4169700864.

The previous prime is 16951360901. The next prime is 16951361027. The reversal of 16951360920 is 2906315961.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2928349 + ... + 2934131.

It is an arithmetic number, because the mean of its divisors is an integer number (428160600).

Almost surely, 2^16951360920 is an apocalyptic number.

16951360920 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 16951360920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27402278400).

16951360920 is an abundant number, since it is smaller than the sum of its proper divisors (37853195880).

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

16951360920 is a wasteful number, since it uses less digits than its factorization.

16951360920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7689 (or 7685 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 42.

The spelling of 16951360920 in words is "sixteen billion, nine hundred fifty-one million, three hundred sixty thousand, nine hundred twenty".