1963160561 has 8 divisors (see below), whose sum is σ = 2169016704. Its totient is φ = 1767346240.

The previous prime is 1963160509. The next prime is 1963160567. The reversal of 1963160561 is 1650613691.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1963160561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1963160567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2510045 + ... + 2510826.

It is an arithmetic number, because the mean of its divisors is an integer number (271127088).

Almost surely, 2^1963160561 is an apocalyptic number.

It is an amenable number.

1963160561 is a deficient number, since it is larger than the sum of its proper divisors (205856143).

1963160561 is a wasteful number, since it uses less digits than its factorization.

1963160561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5020911.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 1963160561 is about 44307.5677621781. The cubic root of 1963160561 is about 1252.1372632818.

The spelling of 1963160561 in words is "one billion, nine hundred sixty-three million, one hundred sixty thousand, five hundred sixty-one".