1672131196742 has 4 divisors (see below), whose sum is σ = 2508196795116. Its totient is φ = 836065598370.

The previous prime is 1672131196721. The next prime is 1672131196753. The reversal of 1672131196742 is 2476911312761.

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

It is a super-2 number, since 2×1672131196742² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 418032799184 + ... + 418032799187.

It is an arithmetic number, because the mean of its divisors is an integer number (627049198779).

Almost surely, 2^{1672131196742} is an apocalyptic number.

1672131196742 is a deficient number, since it is larger than the sum of its proper divisors (836065598374).

1672131196742 is an equidigital number, since it uses as much as digits as its factorization.

1672131196742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836065598373.

The product of its digits is 762048, while the sum is 50.

The spelling of 1672131196742 in words is "one trillion, six hundred seventy-two billion, one hundred thirty-one million, one hundred ninety-six thousand, seven hundred forty-two".