1601313634 has 8 divisors (see below), whose sum is σ = 2409645420. Its totient is φ = 798098496.

The previous prime is 1601313629. The next prime is 1601313653. The reversal of 1601313634 is 4363131061.

It can be written as a sum of positive squares in 2 ways, for example, as 1380345409 + 220968225 = 37153^2 + 14865^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1278379 + ... + 1279630.

Almost surely, 2^1601313634 is an apocalyptic number.

1601313634 is a deficient number, since it is larger than the sum of its proper divisors (808331786).

1601313634 is a wasteful number, since it uses less digits than its factorization.

1601313634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558324.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 1601313634 is about 40016.4170560034. The cubic root of 1601313634 is about 1169.9270984844.

Adding to 1601313634 its reverse (4363131061), we get a palindrome (5964444695).

The spelling of 1601313634 in words is "one billion, six hundred one million, three hundred thirteen thousand, six hundred thirty-four".