1601326413 has 12 divisors (see below), whose sum is σ = 2314846560. Its totient is φ = 1066711176.

The previous prime is 1601326411. The next prime is 1601326439. The reversal of 1601326413 is 3146231061.

1601326413 is a `hidden beast` number, since 1 + 6 + 0 + 13 + 2 + 641 + 3 = 666.

It is not a de Polignac number, because 1601326413 - 2¹ = 1601326411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601326411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57793 + ... + 80886.

It is an arithmetic number, because the mean of its divisors is an integer number (192903880).

Almost surely, 2^1601326413 is an apocalyptic number.

It is an amenable number.

1601326413 is a deficient number, since it is larger than the sum of its proper divisors (713520147).

1601326413 is a wasteful number, since it uses less digits than its factorization.

1601326413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139968 (or 139965 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1601326413 is about 40016.5767276513. The cubic root of 1601326413 is about 1169.9302106082.

Adding to 1601326413 its reverse (3146231061), we get a palindrome (4747557474).

The spelling of 1601326413 in words is "one billion, six hundred one million, three hundred twenty-six thousand, four hundred thirteen".