1672319259768 has 32 divisors (see below), whose sum is σ = 4278026016000. Its totient is φ = 544476037728.

The previous prime is 1672319259727. The next prime is 1672319259769. The reversal of 1672319259768 is 8679529132761.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1672319259699 and 1672319259708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672319259769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 810231168 + ... + 810233231.

It is an arithmetic number, because the mean of its divisors is an integer number (133688313000).

Almost surely, 2^{1672319259768} is an apocalyptic number.

It is an amenable number.

1672319259768 is an abundant number, since it is smaller than the sum of its proper divisors (2605706756232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1672319259768 is a wasteful number, since it uses less digits than its factorization.

1672319259768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620464451 (or 1620464447 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 66.

The spelling of 1672319259768 in words is "one trillion, six hundred seventy-two billion, three hundred nineteen million, two hundred fifty-nine thousand, seven hundred sixty-eight".