1521601160 has 16 divisors (see below), whose sum is σ = 3423602700. Its totient is φ = 608640448.

The previous prime is 1521601157. The next prime is 1521601177. The reversal of 1521601160 is 611061251.

It can be written as a sum of positive squares in 2 ways, for example, as 1488262084 + 33339076 = 38578^2 + 5774^2 .

It is a super-2 number, since 2×1521601160² = 4630540180226691200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19019975 + ... + 19020054.

Almost surely, 2^1521601160 is an apocalyptic number.

1521601160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1521601160 is an abundant number, since it is smaller than the sum of its proper divisors (1902001540).

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

1521601160 is a wasteful number, since it uses less digits than its factorization.

1521601160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38040040 (or 38040036 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 1521601160 is about 39007.7064180913. The cubic root of 1521601160 is about 1150.1829979734.

The spelling of 1521601160 in words is "one billion, five hundred twenty-one million, six hundred one thousand, one hundred sixty".