16147026720 has 864 divisors, whose sum is σ = 65740356864. Its totient is φ = 3575193600.

The previous prime is 16147026719. The next prime is 16147026739. The reversal of 16147026720 is 2762074161.

16147026720 is a `hidden beast` number, since 161 + 470 + 2 + 6 + 7 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 343553737 + ... + 343553783.

It is an arithmetic number, because the mean of its divisors is an integer number (76088376).

Almost surely, 2^16147026720 is an apocalyptic number.

16147026720 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 16147026720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32870178432).

16147026720 is an abundant number, since it is smaller than the sum of its proper divisors (49593330144).

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

16147026720 is a wasteful number, since it uses less digits than its factorization.

16147026720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 16147026720 in words is "sixteen billion, one hundred forty-seven million, twenty-six thousand, seven hundred twenty".