163035000640421 has 24 divisors (see below), whose sum is σ = 205849851217920. Its totient is φ = 127979019215712.

The previous prime is 163035000640411. The next prime is 163035000640427. The reversal of 163035000640421 is 124046000530361.

It is not a de Polignac number, because 163035000640421 - 2²⁶ = 163034933531557 is a prime.

It is a super-2 number, since 2×163035000640421² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163035000640427) 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, 1007564441 + ... + 1007726238.

It is an arithmetic number, because the mean of its divisors is an integer number (8577077134080).

Almost surely, 2^{163035000640421} is an apocalyptic number.

It is an amenable number.

163035000640421 is a deficient number, since it is larger than the sum of its proper divisors (42814850577499).

163035000640421 is a wasteful number, since it uses less digits than its factorization.

163035000640421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015290833 (or 2015290826 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 163035000640421 in words is "one hundred sixty-three trillion, thirty-five billion, six hundred forty thousand, four hundred twenty-one".