201600000 has 396 divisors, whose sum is σ = 831540528. Its totient is φ = 46080000.

The previous prime is 201599989. The next prime is 201600001. The reversal of 201600000 is 6102.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is not an unprimeable number, because it can be changed into a prime (201600001) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 28799997 + ... + 28800003.

Almost surely, 2^201600000 is an apocalyptic number.

201600000 is a gapful number since it is divisible by the number (20) 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 201600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415770264).

201600000 is an abundant number, since it is smaller than the sum of its proper divisors (629940528).

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

201600000 is an frugal number, since it uses more digits than its factorization.

201600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 201600000 is about 14198.5914794391. The cubic root of 201600000 is about 586.3588835513.

Adding to 201600000 its reverse (6102), we get a palindrome (201606102).

The spelling of 201600000 in words is "two hundred one million, six hundred thousand".