1673104516357 has 4 divisors (see below), whose sum is σ = 1673129396620. Its totient is φ = 1673079636096.

The previous prime is 1673104516339. The next prime is 1673104516367. The reversal of 1673104516357 is 7536154013761.

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 282400839396 + 1390703676961 = 531414^2 + 1179281^2 .

It is a cyclic number.

It is not a de Polignac number, because 1673104516357 - 2²³ = 1673096127749 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1673104516357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673104516367) 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, 12338988 + ... + 12473845.

It is an arithmetic number, because the mean of its divisors is an integer number (418282349155).

Almost surely, 2^{1673104516357} is an apocalyptic number.

It is an amenable number.

1673104516357 is a deficient number, since it is larger than the sum of its proper divisors (24880263).

1673104516357 is an equidigital number, since it uses as much as digits as its factorization.

1673104516357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24880262.

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 1673104516357 in words is "one trillion, six hundred seventy-three billion, one hundred four million, five hundred sixteen thousand, three hundred fifty-seven".