28552162641 has 8 divisors (see below), whose sum is σ = 38070932064. Its totient is φ = 19034084160.

The previous prime is 28552162637. The next prime is 28552162663. The reversal of 28552162641 is 14626125582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28552162641 - 2² = 28552162637 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 28552162593 and 28552162602.

It is not an unprimeable number, because it can be changed into a prime (28552162601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67080 + ... + 248201.

It is an arithmetic number, because the mean of its divisors is an integer number (4758866508).

Almost surely, 2^28552162641 is an apocalyptic number.

It is an amenable number.

28552162641 is a deficient number, since it is larger than the sum of its proper divisors (9518769423).

28552162641 is a wasteful number, since it uses less digits than its factorization.

28552162641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345471.

The product of its digits is 230400, while the sum is 42.

The spelling of 28552162641 in words is "twenty-eight billion, five hundred fifty-two million, one hundred sixty-two thousand, six hundred forty-one".