16420147200 has 312 divisors, whose sum is σ = 60331629600. Its totient is φ = 4377968640.

The previous prime is 16420147129. The next prime is 16420147207. The reversal of 16420147200 is 274102461.

16420147200 is a `hidden beast` number, since 1 + 642 + 0 + 14 + 7 + 2 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (16420147207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2761831 + ... + 2767769.

Almost surely, 2^16420147200 is an apocalyptic number.

16420147200 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 16420147200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30165814800).

16420147200 is an abundant number, since it is smaller than the sum of its proper divisors (43911482400).

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

16420147200 is an equidigital number, since it uses as much as digits as its factorization.

16420147200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5982 (or 5949 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

Adding to 16420147200 its reverse (274102461), we get a palindrome (16694249661).

The spelling of 16420147200 in words is "sixteen billion, four hundred twenty million, one hundred forty-seven thousand, two hundred".