1601408507 has 8 divisors (see below), whose sum is σ = 1701404400. Its totient is φ = 1504397664.

The previous prime is 1601408491. The next prime is 1601408513. The reversal of 1601408507 is 7058041061.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1601408507 - 2⁴ = 1601408491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1601408807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745157 + ... + 747302.

It is an arithmetic number, because the mean of its divisors is an integer number (212675550).

Almost surely, 2^1601408507 is an apocalyptic number.

1601408507 is a deficient number, since it is larger than the sum of its proper divisors (99995893).

1601408507 is a wasteful number, since it uses less digits than its factorization.

1601408507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492525.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 1601408507 is about 40017.6024644156. The cubic root of 1601408507 is about 1169.9502029114.

Adding to 1601408507 its reverse (7058041061), we get a palindrome (8659449568).

The spelling of 1601408507 in words is "one billion, six hundred one million, four hundred eight thousand, five hundred seven".