1636145113404 has 24 divisors (see below), whose sum is σ = 3824381388240. Its totient is φ = 544423210624.

The previous prime is 1636145113391. The next prime is 1636145113517. The reversal of 1636145113404 is 4043115416361.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119804619 + ... + 119818274.

It is an arithmetic number, because the mean of its divisors is an integer number (159349224510).

Almost surely, 2^{1636145113404} is an apocalyptic number.

It is an amenable number.

1636145113404 is an abundant number, since it is smaller than the sum of its proper divisors (2188236274836).

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

1636145113404 is a wasteful number, since it uses less digits than its factorization.

1636145113404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239623469 (or 239623467 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 1636145113404 in words is "one trillion, six hundred thirty-six billion, one hundred forty-five million, one hundred thirteen thousand, four hundred four".