1560966501 has 4 divisors (see below), whose sum is σ = 2081288672. Its totient is φ = 1040644332.

The previous prime is 1560966497. The next prime is 1560966559. The reversal of 1560966501 is 1056690651.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1056690651 = 3 ⋅352230217.

It is not a de Polignac number, because 1560966501 - 2² = 1560966497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1560966501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1560966301) 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, 260161081 + ... + 260161086.

It is an arithmetic number, because the mean of its divisors is an integer number (520322168).

Almost surely, 2^1560966501 is an apocalyptic number.

It is an amenable number.

1560966501 is a deficient number, since it is larger than the sum of its proper divisors (520322171).

1560966501 is an equidigital number, since it uses as much as digits as its factorization.

1560966501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520322170.

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 1560966501 is about 39509.0685919068. The cubic root of 1560966501 is about 1160.0174643130.

The spelling of 1560966501 in words is "one billion, five hundred sixty million, nine hundred sixty-six thousand, five hundred one".