1601613001 has 8 divisors (see below), whose sum is σ = 1607984000. Its totient is φ = 1595252880.

The previous prime is 1601612953. The next prime is 1601613077. The reversal of 1601613001 is 1003161061.

It is a Cunningham number, because it is equal to 1170³+1.

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-1601613001 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 1601613001.

It is not an unprimeable number, because it can be changed into a prime (1601683001) 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 7 ways as a sum of consecutive naturals, for example, 406720 + ... + 410638.

It is an arithmetic number, because the mean of its divisors is an integer number (200998000).

Almost surely, 2^1601613001 is an apocalyptic number.

It is an amenable number.

1601613001 is a deficient number, since it is larger than the sum of its proper divisors (6370999).

1601613001 is a wasteful number, since it uses less digits than its factorization.

1601613001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5439.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1601613001 is about 40020.1574334734. The cubic root of 1601613001 is about 1170.0000002435. Note that the first 6 decimals are identical.

Adding to 1601613001 its reverse (1003161061), we get a palindrome (2604774062).

It can be divided in two parts, 160 and 1613001, that added together give a palindrome (1613161).

The spelling of 1601613001 in words is "one billion, six hundred one million, six hundred thirteen thousand, one".