20163607353 has 6 divisors (see below), whose sum is σ = 29125210634. Its totient is φ = 13442404896.

The previous prime is 20163607337. The next prime is 20163607379. The reversal of 20163607353 is 35370636102.

20163607353 is a `hidden beast` number, since 2 + 0 + 16 + 3 + 607 + 35 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16917684624 + 3245922729 = 130068^2 + 56973^2 .

It is not a de Polignac number, because 20163607353 - 2⁴ = 20163607337 is a prime.

It is a super-2 number, since 2×20163607353² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20163607393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1120200400 + ... + 1120200417.

Almost surely, 2^20163607353 is an apocalyptic number.

It is an amenable number.

20163607353 is a deficient number, since it is larger than the sum of its proper divisors (8961603281).

20163607353 is a wasteful number, since it uses less digits than its factorization.

20163607353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240400823 (or 2240400820 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The spelling of 20163607353 in words is "twenty billion, one hundred sixty-three million, six hundred seven thousand, three hundred fifty-three".