1601560937 has 4 divisors (see below), whose sum is σ = 1602911376. Its totient is φ = 1600210500.

The previous prime is 1601560927. The next prime is 1601560951. The reversal of 1601560937 is 7390651061.

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: 7390651061 = 991 ⋅7457771.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1601560937 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 1601560937.

It is not an unprimeable number, because it can be changed into a prime (1601560927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673439 + ... + 675812.

It is an arithmetic number, because the mean of its divisors is an integer number (400727844).

Almost surely, 2^1601560937 is an apocalyptic number.

It is an amenable number.

1601560937 is a deficient number, since it is larger than the sum of its proper divisors (1350439).

1601560937 is a wasteful number, since it uses less digits than its factorization.

1601560937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350438.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 1601560937 is about 40019.5069559834. The cubic root of 1601560937 is about 1169.9873222870.

The spelling of 1601560937 in words is "one billion, six hundred one million, five hundred sixty thousand, nine hundred thirty-seven".