1601313646 has 8 divisors (see below), whose sum is σ = 2402163360. Its totient is φ = 800592528.

The previous prime is 1601313629. The next prime is 1601313653. The reversal of 1601313646 is 6463131061.

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

It is a congruent number.

It is an unprimeable number.

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, 10075 + ... + 57481.

It is an arithmetic number, because the mean of its divisors is an integer number (300270420).

Almost surely, 2^1601313646 is an apocalyptic number.

1601313646 is a deficient number, since it is larger than the sum of its proper divisors (800849714).

1601313646 is a wasteful number, since it uses less digits than its factorization.

1601313646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64298.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 1601313646 is about 40016.4172059419. The cubic root of 1601313646 is about 1169.9271014069.

The spelling of 1601313646 in words is "one billion, six hundred one million, three hundred thirteen thousand, six hundred forty-six".