20160168672 has 48 divisors (see below), whose sum is σ = 60480508032. Its totient is φ = 5760048000.

The previous prime is 20160168649. The next prime is 20160168761. The reversal of 20160168672 is 27686106102.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 20160168672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14999454 + ... + 15000797.

It is an arithmetic number, because the mean of its divisors is an integer number (1260010584).

Almost surely, 2^20160168672 is an apocalyptic number.

It is an amenable number.

20160168672 is an abundant number, since it is smaller than the sum of its proper divisors (40320339360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20160168672 is a wasteful number, since it uses less digits than its factorization.

20160168672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30000271 (or 30000263 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 20160168672 in words is "twenty billion, one hundred sixty million, one hundred sixty-eight thousand, six hundred seventy-two".