1831645028601 has 16 divisors (see below), whose sum is σ = 2729796988800. Its totient is φ = 1213784726544.

The previous prime is 1831645028599. The next prime is 1831645028623. The reversal of 1831645028601 is 1068205461381.

1831645028601 is a `hidden beast` number, since 1 + 8 + 3 + 1 + 64 + 502 + 86 + 0 + 1 = 666.

It is not a de Polignac number, because 1831645028601 - 2¹ = 1831645028599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1831645028201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203105386 + ... + 203114403.

It is an arithmetic number, because the mean of its divisors is an integer number (170612311800).

Almost surely, 2^{1831645028601} is an apocalyptic number.

It is an amenable number.

1831645028601 is a deficient number, since it is larger than the sum of its proper divisors (898151960199).

1831645028601 is a wasteful number, since it uses less digits than its factorization.

1831645028601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406219965 (or 406219959 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 1831645028601 in words is "one trillion, eight hundred thirty-one billion, six hundred forty-five million, twenty-eight thousand, six hundred one".