1641423303552 has 32 divisors (see below), whose sum is σ = 4360030651080. Its totient is φ = 547141101056.

The previous prime is 1641423303521. The next prime is 1641423303587. The reversal of 1641423303552 is 2553033241461.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1641423303552² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1641423303552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2137269543 + ... + 2137270310.

Almost surely, 2^{1641423303552} is an apocalyptic number.

1641423303552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1641423303552 is an abundant number, since it is smaller than the sum of its proper divisors (2718607347528).

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

1641423303552 is an equidigital number, since it uses as much as digits as its factorization.

1641423303552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4274539870 (or 4274539858 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 1641423303552 in words is "one trillion, six hundred forty-one billion, four hundred twenty-three million, three hundred three thousand, five hundred fifty-two".