1641207152401 has 4 divisors (see below), whose sum is σ = 1641237114292. Its totient is φ = 1641177190512.

The previous prime is 1641207152359. The next prime is 1641207152419. The reversal of 1641207152401 is 1042517021461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1620529000000 + 20678152401 = 1273000^2 + 143799^2 .

It is a cyclic number.

It is not a de Polignac number, because 1641207152401 - 2¹¹ = 1641207150353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1641207152441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14898630 + ... + 15008383.

It is an arithmetic number, because the mean of its divisors is an integer number (410309278573).

Almost surely, 2^{1641207152401} is an apocalyptic number.

It is an amenable number.

1641207152401 is a deficient number, since it is larger than the sum of its proper divisors (29961891).

1641207152401 is an equidigital number, since it uses as much as digits as its factorization.

1641207152401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29961890.

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 1641207152401 in words is "one trillion, six hundred forty-one billion, two hundred seven million, one hundred fifty-two thousand, four hundred one".