28083356164 has 6 divisors (see below), whose sum is σ = 49145873294. Its totient is φ = 14041678080.

The previous prime is 28083356153. The next prime is 28083356167. The reversal of 28083356164 is 46165338082.

It can be written as a sum of positive squares in only one way, i.e., 20318221764 + 7765134400 = 142542^2 + 88120^2 .

It is not an unprimeable number, because it can be changed into a prime (28083356167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3510419517 + ... + 3510419524.

Almost surely, 2^28083356164 is an apocalyptic number.

It is an amenable number.

28083356164 is a deficient number, since it is larger than the sum of its proper divisors (21062517130).

28083356164 is a wasteful number, since it uses less digits than its factorization.

28083356164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7020839045 (or 7020839043 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 28083356164 in words is "twenty-eight billion, eighty-three million, three hundred fifty-six thousand, one hundred sixty-four".