1672401672401 has 4 divisors (see below), whose sum is σ = 1672704046704. Its totient is φ = 1672099298100.

The previous prime is 1672401672379. The next prime is 1672401672419. The reversal of 1672401672401 is 1042761042761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1672401672401 is a prime.

It is a super-3 number, since 3×1672401672401³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1672401672421) 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, 151178855 + ... + 151189916.

It is an arithmetic number, because the mean of its divisors is an integer number (418176011676).

Almost surely, 2^{1672401672401} is an apocalyptic number.

It is an amenable number.

1672401672401 is a deficient number, since it is larger than the sum of its proper divisors (302374303).

1672401672401 is an equidigital number, since it uses as much as digits as its factorization.

1672401672401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302374302.

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 1672401672401 in words is "one trillion, six hundred seventy-two billion, four hundred one million, six hundred seventy-two thousand, four hundred one".