1601246611 has 8 divisors (see below), whose sum is σ = 1614609584. Its totient is φ = 1587924000.

The previous prime is 1601246587. The next prime is 1601246617. The reversal of 1601246611 is 1166421061.

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

It is a cyclic number.

It is not a de Polignac number, because 1601246611 - 2⁵ = 1601246579 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 1601246611.

It is not an unprimeable number, because it can be changed into a prime (1601246617) 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, 72361 + ... + 91861.

It is an arithmetic number, because the mean of its divisors is an integer number (201826198).

Almost surely, 2^1601246611 is an apocalyptic number.

1601246611 is a deficient number, since it is larger than the sum of its proper divisors (13362973).

1601246611 is a wasteful number, since it uses less digits than its factorization.

1601246611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20181.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1601246611 is about 40015.5796034495. The cubic root of 1601246611 is about 1169.9107758195.

Adding to 1601246611 its reverse (1166421061), we get a palindrome (2767667672).

The spelling of 1601246611 in words is "one billion, six hundred one million, two hundred forty-six thousand, six hundred eleven".