28214750161 has 32 divisors (see below), whose sum is σ = 31763314688. Its totient is φ = 24885688320.

The previous prime is 28214750101. The next prime is 28214750191. The reversal of 28214750161 is 16105741282.

It is a cyclic number.

It is not a de Polignac number, because 28214750161 - 2⁹ = 28214749649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28214750161.

It is not an unprimeable number, because it can be changed into a prime (28214750101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32171455 + ... + 32172331.

It is an arithmetic number, because the mean of its divisors is an integer number (992603584).

Almost surely, 2^28214750161 is an apocalyptic number.

It is an amenable number.

28214750161 is a deficient number, since it is larger than the sum of its proper divisors (3548564527).

28214750161 is a wasteful number, since it uses less digits than its factorization.

28214750161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841.

The product of its (nonzero) digits is 26880, while the sum is 37.

The spelling of 28214750161 in words is "twenty-eight billion, two hundred fourteen million, seven hundred fifty thousand, one hundred sixty-one".