20160444546 has 24 divisors (see below), whose sum is σ = 47651960304. Its totient is φ = 6109225560.

The previous prime is 20160444511. The next prime is 20160444569. The reversal of 20160444546 is 64544406102.

20160444546 is a `hidden beast` number, since 2 + 0 + 1 + 604 + 4 + 4 + 5 + 46 = 666.

It is a super-2 number, since 2×20160444546² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20160444546.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50910016 + ... + 50910411.

It is an arithmetic number, because the mean of its divisors is an integer number (1985498346).

Almost surely, 2^20160444546 is an apocalyptic number.

20160444546 is an abundant number, since it is smaller than the sum of its proper divisors (27491515758).

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

20160444546 is a wasteful number, since it uses less digits than its factorization.

20160444546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101820446 (or 101820443 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 20160444546 in words is "twenty billion, one hundred sixty million, four hundred forty-four thousand, five hundred forty-six".