816001130 has 64 divisors (see below), whose sum is σ = 1812119040. Its totient is φ = 258365184.

The previous prime is 816001111. The next prime is 816001133. The reversal of 816001130 is 31100618.

It is a super-2 number, since 2×816001130² = 1331715688322553800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (816001133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37952 + ... + 55428.

It is an arithmetic number, because the mean of its divisors is an integer number (28314360).

Almost surely, 2^816001130 is an apocalyptic number.

816001130 is an abundant number, since it is smaller than the sum of its proper divisors (996117910).

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

816001130 is a wasteful number, since it uses less digits than its factorization.

816001130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17543.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 816001130 is about 28565.7334931207. The cubic root of 816001130 is about 934.4661770215.

Adding to 816001130 its reverse (31100618), we get a palindrome (847101748).

The spelling of 816001130 in words is "eight hundred sixteen million, one thousand, one hundred thirty".