1028164909563 has 48 divisors (see below), whose sum is σ = 1672288800000. Its totient is φ = 603241784640.

The previous prime is 1028164909561. The next prime is 1028164909591. The reversal of 1028164909563 is 3659094618201.

1028164909563 is a `hidden beast` number, since 1 + 0 + 2 + 8 + 1 + 6 + 490 + 95 + 63 = 666.

It is not a de Polignac number, because 1028164909563 - 2¹ = 1028164909561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1028164909561) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23688 + ... + 1434186.

It is an arithmetic number, because the mean of its divisors is an integer number (34839350000).

Almost surely, 2^{1028164909563} is an apocalyptic number.

1028164909563 is a deficient number, since it is larger than the sum of its proper divisors (644123890437).

1028164909563 is a wasteful number, since it uses less digits than its factorization.

1028164909563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410752 (or 1410749 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 1028164909563 in words is "one trillion, twenty-eight billion, one hundred sixty-four million, nine hundred nine thousand, five hundred sixty-three".