315516616556326 has 4 divisors (see below), whose sum is σ = 473274924834492. Its totient is φ = 157758308278162.

The previous prime is 315516616556303. The next prime is 315516616556327. The reversal of 315516616556326 is 623655616615513.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315516616556327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78879154139080 + ... + 78879154139083.

It is an arithmetic number, because the mean of its divisors is an integer number (118318731208623).

Almost surely, 2^{315516616556326} is an apocalyptic number.

315516616556326 is a deficient number, since it is larger than the sum of its proper divisors (157758308278166).

315516616556326 is a wasteful number, since it uses less digits than its factorization.

315516616556326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157758308278165.

The product of its digits is 87480000, while the sum is 61.

The spelling of 315516616556326 in words is "three hundred fifteen trillion, five hundred sixteen billion, six hundred sixteen million, five hundred fifty-six thousand, three hundred twenty-six".