16428639360 has 256 divisors, whose sum is σ = 61466538240. Its totient is φ = 3653517312.

The previous prime is 16428639349. The next prime is 16428639371. The reversal of 16428639360 is 6393682461.

It is an interprime number because it is at equal distance from previous prime (16428639349) and next prime (16428639371).

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

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, 480762 + ... + 513798.

It is an arithmetic number, because the mean of its divisors is an integer number (240103665).

Almost surely, 2^16428639360 is an apocalyptic number.

16428639360 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 16428639360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30733269120).

16428639360 is an abundant number, since it is smaller than the sum of its proper divisors (45037898880).

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

16428639360 is a wasteful number, since it uses less digits than its factorization.

16428639360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33103 (or 33091 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 48.

The spelling of 16428639360 in words is "sixteen billion, four hundred twenty-eight million, six hundred thirty-nine thousand, three hundred sixty".