1660535130 has 16 divisors (see below), whose sum is σ = 3985284384. Its totient is φ = 442809360.

The previous prime is 1660535089. The next prime is 1660535131. The reversal of 1660535130 is 315350661.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 55351171 = 1660535130 / (1 + 6 + 6 + 0 + 5 + 3 + 5 + 1 + 3 + 0).

It is not an unprimeable number, because it can be changed into a prime (1660535131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27675556 + ... + 27675615.

It is an arithmetic number, because the mean of its divisors is an integer number (249080274).

Almost surely, 2^1660535130 is an apocalyptic number.

1660535130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1660535130 is an abundant number, since it is smaller than the sum of its proper divisors (2324749254).

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

1660535130 is a wasteful number, since it uses less digits than its factorization.

1660535130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55351181.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 1660535130 is about 40749.6641703953. The cubic root of 1660535130 is about 1184.1753667419.

Adding to 1660535130 its reverse (315350661), we get a palindrome (1975885791).

The spelling of 1660535130 in words is "one billion, six hundred sixty million, five hundred thirty-five thousand, one hundred thirty".