1632641026505 has 16 divisors (see below), whose sum is σ = 1988619078144. Its totient is φ = 1286483679360.

The previous prime is 1632641026477. The next prime is 1632641026519. The reversal of 1632641026505 is 5056201462361.

It is a happy number.

It is not a de Polignac number, because 1632641026505 - 2¹⁰ = 1632641025481 is a prime.

It is a super-2 number, since 2×1632641026505² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3005864 + ... + 3507206.

It is an arithmetic number, because the mean of its divisors is an integer number (124288692384).

Almost surely, 2^{1632641026505} is an apocalyptic number.

It is an amenable number.

1632641026505 is a deficient number, since it is larger than the sum of its proper divisors (355978051639).

1632641026505 is an equidigital number, since it uses as much as digits as its factorization.

1632641026505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511136.

The product of its (nonzero) digits is 259200, while the sum is 41.

Adding to 1632641026505 its reverse (5056201462361), we get a palindrome (6688842488866).

The spelling of 1632641026505 in words is "one trillion, six hundred thirty-two billion, six hundred forty-one million, twenty-six thousand, five hundred five".