20161616160 has 96 divisors (see below), whose sum is σ = 72581830272. Its totient is φ = 4608368640.

The previous prime is 20161616159. The next prime is 20161616173. The reversal of 20161616160 is 6161616102.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2996881 + ... + 3003600.

It is an arithmetic number, because the mean of its divisors is an integer number (756060732).

Almost surely, 2^20161616160 is an apocalyptic number.

20161616160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20161616160 is an abundant number, since it is smaller than the sum of its proper divisors (52420214112).

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

20161616160 is a wasteful number, since it uses less digits than its factorization.

20161616160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000506 (or 6000498 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 20161616160 in words is "twenty billion, one hundred sixty-one million, six hundred sixteen thousand, one hundred sixty".