1641860255924 has 12 divisors (see below), whose sum is σ = 3283720511904. Its totient is φ = 703654395384.

The previous prime is 1641860255923. The next prime is 1641860255933. The reversal of 1641860255924 is 4295520681461.

1641860255924 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641860255923) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 29318933114 + ... + 29318933169.

It is an arithmetic number, because the mean of its divisors is an integer number (273643375992).

Almost surely, 2^{1641860255924} is an apocalyptic number.

1641860255924 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1641860255924 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.

1641860255924 is a wasteful number, since it uses less digits than its factorization.

1641860255924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58637866294 (or 58637866292 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 53.

The spelling of 1641860255924 in words is "one trillion, six hundred forty-one billion, eight hundred sixty million, two hundred fifty-five thousand, nine hundred twenty-four".