1560016501 has 4 divisors (see below), whose sum is σ = 1585590604. Its totient is φ = 1534442400.

The previous prime is 1560016499. The next prime is 1560016511. The reversal of 1560016501 is 1056100651.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 163200625 + 1396815876 = 12775^2 + 37374^2 .

It is a cyclic number.

It is not a de Polignac number, because 1560016501 - 2¹ = 1560016499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1560016511) 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, 12786960 + ... + 12787081.

It is an arithmetic number, because the mean of its divisors is an integer number (396397651).

Almost surely, 2^1560016501 is an apocalyptic number.

It is an amenable number.

1560016501 is a deficient number, since it is larger than the sum of its proper divisors (25574103).

1560016501 is an equidigital number, since it uses as much as digits as its factorization.

1560016501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25574102.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 1560016501 is about 39497.0442058643. The cubic root of 1560016501 is about 1159.7820887241.

The spelling of 1560016501 in words is "one billion, five hundred sixty million, sixteen thousand, five hundred one".