1332601641 has 24 divisors (see below), whose sum is σ = 2229992960. Its totient is φ = 751052736.

The previous prime is 1332601637. The next prime is 1332601643. The reversal of 1332601641 is 1461062331.

1332601641 is a `hidden beast` number, since 13 + 3 + 2 + 6 + 0 + 1 + 641 = 666.

It is not a de Polignac number, because 1332601641 - 2² = 1332601637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1332601643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140281 + ... + 149478.

Almost surely, 2^1332601641 is an apocalyptic number.

It is an amenable number.

1332601641 is a deficient number, since it is larger than the sum of its proper divisors (897391319).

1332601641 is a wasteful number, since it uses less digits than its factorization.

1332601641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289845 (or 289842 counting only the distinct ones).

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

The square root of 1332601641 is about 36504.8166821859. The cubic root of 1332601641 is about 1100.4410465541.

Adding to 1332601641 its reverse (1461062331), we get a palindrome (2793663972).

The spelling of 1332601641 in words is "one billion, three hundred thirty-two million, six hundred one thousand, six hundred forty-one".