1601760361 has 4 divisors (see below), whose sum is σ = 1616730192. Its totient is φ = 1586790532.

The previous prime is 1601760343. The next prime is 1601760373. The reversal of 1601760361 is 1630671061.

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: 1630671061 = 1367 ⋅1192883.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1601760361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1601760661) 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, 7484755 + ... + 7484968.

It is an arithmetic number, because the mean of its divisors is an integer number (404182548).

Almost surely, 2^1601760361 is an apocalyptic number.

It is an amenable number.

1601760361 is a deficient number, since it is larger than the sum of its proper divisors (14969831).

1601760361 is a wasteful number, since it uses less digits than its factorization.

1601760361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14969830.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 1601760361 is about 40021.9984633451. The cubic root of 1601760361 is about 1170.0358819687.

The spelling of 1601760361 in words is "one billion, six hundred one million, seven hundred sixty thousand, three hundred sixty-one".