16651702144 has 192 divisors, whose sum is σ = 44316633600. Its totient is φ = 6145735680.

The previous prime is 16651702139. The next prime is 16651702187. The reversal of 16651702144 is 44120715661.

It is a congruent number.

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, 1304497 + ... + 1317199.

It is an arithmetic number, because the mean of its divisors is an integer number (230815800).

Almost surely, 2^16651702144 is an apocalyptic number.

16651702144 is a gapful number since it is divisible by the number (14) 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 16651702144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22158316800).

16651702144 is an abundant number, since it is smaller than the sum of its proper divisors (27664931456).

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

16651702144 is a wasteful number, since it uses less digits than its factorization.

16651702144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12761 (or 12742 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 16651702144 in words is "sixteen billion, six hundred fifty-one million, seven hundred two thousand, one hundred forty-four".