1636675423044 has 24 divisors (see below), whose sum is σ = 3819015029760. Its totient is φ = 545543373024.

The previous prime is 1636675423001. The next prime is 1636675423051. The reversal of 1636675423044 is 4403245766361.

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 7 ways as a sum of consecutive naturals, for example, 1431679 + ... + 2307174.

It is an arithmetic number, because the mean of its divisors is an integer number (159125626240).

Almost surely, 2^{1636675423044} is an apocalyptic number.

It is an amenable number.

1636675423044 is an abundant number, since it is smaller than the sum of its proper divisors (2182339606716).

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

1636675423044 is a wasteful number, since it uses less digits than its factorization.

1636675423044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3775339 (or 3775337 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 51.

The spelling of 1636675423044 in words is "one trillion, six hundred thirty-six billion, six hundred seventy-five million, four hundred twenty-three thousand, forty-four".