1628095042868 has 12 divisors (see below), whose sum is σ = 3256190085792. Its totient is φ = 697755018360.

The previous prime is 1628095042859. The next prime is 1628095042883. The reversal of 1628095042868 is 8682405908261.

1628095042868 is an admirable number.

It is a super-2 number, since 2×1628095042868² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29073125738 + ... + 29073125793.

It is an arithmetic number, because the mean of its divisors is an integer number (271349173816).

Almost surely, 2^{1628095042868} is an apocalyptic number.

It is an amenable number.

1628095042868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1628095042868 is a wasteful number, since it uses less digits than its factorization.

1628095042868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58146251542 (or 58146251540 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 59.

The spelling of 1628095042868 in words is "one trillion, six hundred twenty-eight billion, ninety-five million, forty-two thousand, eight hundred sixty-eight".