1820416544995 has 32 divisors (see below), whose sum is σ = 2328885504000. Its totient is φ = 1362041516160.

The previous prime is 1820416544971. The next prime is 1820416545023. The reversal of 1820416544995 is 5994456140281.

It is not a de Polignac number, because 1820416544995 - 2¹⁷ = 1820416413923 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 96212146 + ... + 96231064.

It is an arithmetic number, because the mean of its divisors is an integer number (72777672000).

Almost surely, 2^{1820416544995} is an apocalyptic number.

1820416544995 is a deficient number, since it is larger than the sum of its proper divisors (508468959005).

1820416544995 is a wasteful number, since it uses less digits than its factorization.

1820416544995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31843.

The product of its (nonzero) digits is 12441600, while the sum is 58.

The spelling of 1820416544995 in words is "one trillion, eight hundred twenty billion, four hundred sixteen million, five hundred forty-four thousand, nine hundred ninety-five".