1651217060 has 12 divisors (see below), whose sum is σ = 3467555868. Its totient is φ = 660486816.

The previous prime is 1651217053. The next prime is 1651217063. The reversal of 1651217060 is 607121561.

It can be written as a sum of positive squares in 2 ways, for example, as 351037696 + 1300179364 = 18736^2 + 36058^2 .

It is not an unprimeable number, because it can be changed into a prime (1651217063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41280407 + ... + 41280446.

It is an arithmetic number, because the mean of its divisors is an integer number (288962989).

Almost surely, 2^1651217060 is an apocalyptic number.

1651217060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1651217060 is an abundant number, since it is smaller than the sum of its proper divisors (1816338808).

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

1651217060 is a wasteful number, since it uses less digits than its factorization.

1651217060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82560862 (or 82560860 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 1651217060 is about 40635.1702346625. The cubic root of 1651217060 is about 1181.9562160558.

The spelling of 1651217060 in words is "one billion, six hundred fifty-one million, two hundred seventeen thousand, sixty".