1316510721674 has 8 divisors (see below), whose sum is σ = 1974777273408. Its totient is φ = 658251630540.

The previous prime is 1316510721671. The next prime is 1316510721689. The reversal of 1316510721674 is 4761270156131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1316510721671) 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, 1400882 + ... + 2143709.

It is an arithmetic number, because the mean of its divisors is an integer number (246847159176).

Almost surely, 2^{1316510721674} is an apocalyptic number.

1316510721674 is a deficient number, since it is larger than the sum of its proper divisors (658266551734).

1316510721674 is a wasteful number, since it uses less digits than its factorization.

1316510721674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730300.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 1316510721674 in words is "one trillion, three hundred sixteen billion, five hundred ten million, seven hundred twenty-one thousand, six hundred seventy-four".