163803604652 has 24 divisors (see below), whose sum is σ = 303681772800. Its totient is φ = 77042568960.

The previous prime is 163803604651. The next prime is 163803604693. The reversal of 163803604652 is 256406308361.

It is a happy number.

It is a super-2 number, since 2×163803604652² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (163803604651) 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, 520652 + ... + 773747.

It is an arithmetic number, because the mean of its divisors is an integer number (12653407200).

Almost surely, 2^163803604652 is an apocalyptic number.

It is an amenable number.

163803604652 is a deficient number, since it is larger than the sum of its proper divisors (139878168148).

163803604652 is a wasteful number, since it uses less digits than its factorization.

163803604652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296281 (or 1296279 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 163803604652 in words is "one hundred sixty-three billion, eight hundred three million, six hundred four thousand, six hundred fifty-two".