16466915136 has 448 divisors, whose sum is σ = 55829606400. Its totient is φ = 4182976512.

The previous prime is 16466915107. The next prime is 16466915137. The reversal of 16466915136 is 63151966461.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16466915137) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 310696486 + ... + 310696538.

Almost surely, 2^16466915136 is an apocalyptic number.

16466915136 is a gapful number since it is divisible by the number (16) 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 16466915136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27914803200).

16466915136 is an abundant number, since it is smaller than the sum of its proper divisors (39362691264).

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

16466915136 is an equidigital number, since it uses as much as digits as its factorization.

16466915136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 107 counting only the distinct ones).

The product of its digits is 699840, while the sum is 48.

The spelling of 16466915136 in words is "sixteen billion, four hundred sixty-six million, nine hundred fifteen thousand, one hundred thirty-six".