1645163301 has 32 divisors (see below), whose sum is σ = 2374738560. Its totient is φ = 1010790144.

The previous prime is 1645163293. The next prime is 1645163327. The reversal of 1645163301 is 1033615461.

It is not a de Polignac number, because 1645163301 - 2³ = 1645163293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1645163801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165786 + ... + 175428.

It is an arithmetic number, because the mean of its divisors is an integer number (74210580).

Almost surely, 2^1645163301 is an apocalyptic number.

It is an amenable number.

1645163301 is a deficient number, since it is larger than the sum of its proper divisors (729575259).

1645163301 is a wasteful number, since it uses less digits than its factorization.

1645163301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9765.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1645163301 is about 40560.6126802838. The cubic root of 1645163301 is about 1180.5100019406.

Adding to 1645163301 its reverse (1033615461), we get a palindrome (2678778762).

The spelling of 1645163301 in words is "one billion, six hundred forty-five million, one hundred sixty-three thousand, three hundred one".