1632128611892 has 12 divisors (see below), whose sum is σ = 2863009456356. Its totient is φ = 814125910080.

The previous prime is 1632128611889. The next prime is 1632128611901. The reversal of 1632128611892 is 2981168212361.

It can be written as a sum of positive squares in 2 ways, for example, as 479520240676 + 1152608371216 = 692474^2 + 1073596^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1632128611892.

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, 484597073 + ... + 484600440.

It is an arithmetic number, because the mean of its divisors is an integer number (238584121363).

Almost surely, 2^{1632128611892} is an apocalyptic number.

It is an amenable number.

1632128611892 is a deficient number, since it is larger than the sum of its proper divisors (1230880844464).

1632128611892 is a wasteful number, since it uses less digits than its factorization.

1632128611892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969197938 (or 969197936 counting only the distinct ones).

The product of its digits is 497664, while the sum is 50.

The spelling of 1632128611892 in words is "one trillion, six hundred thirty-two billion, one hundred twenty-eight million, six hundred eleven thousand, eight hundred ninety-two".