1672131196741 has 4 divisors (see below), whose sum is σ = 1672143839532. Its totient is φ = 1672118553952.

The previous prime is 1672131196721. The next prime is 1672131196753. The reversal of 1672131196741 is 1476911312761.

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 328569704100 + 1343561492641 = 573210^2 + 1159121^2 .

It is a cyclic number.

It is not a de Polignac number, because 1672131196741 - 2²⁷ = 1671996979013 is a prime.

It is a super-2 number, since 2×1672131196741² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672131196721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6120886 + ... + 6388231.

It is an arithmetic number, because the mean of its divisors is an integer number (418035959883).

Almost surely, 2^{1672131196741} is an apocalyptic number.

It is an amenable number.

1672131196741 is a deficient number, since it is larger than the sum of its proper divisors (12642791).

1672131196741 is a wasteful number, since it uses less digits than its factorization.

1672131196741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12642790.

The product of its digits is 381024, while the sum is 49.

The spelling of 1672131196741 in words is "one trillion, six hundred seventy-two billion, one hundred thirty-one million, one hundred ninety-six thousand, seven hundred forty-one".