315166320452 has 6 divisors (see below), whose sum is σ = 551541060798. Its totient is φ = 157583160224.

The previous prime is 315166320401. The next prime is 315166320473. The reversal of 315166320452 is 254023661513.

It can be written as a sum of positive squares in only one way, i.e., 279223469056 + 35942851396 = 528416^2 + 189586^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39395790053 + ... + 39395790060.

It is an arithmetic number, because the mean of its divisors is an integer number (91923510133).

Almost surely, 2^315166320452 is an apocalyptic number.

It is an amenable number.

315166320452 is a deficient number, since it is larger than the sum of its proper divisors (236374740346).

315166320452 is a wasteful number, since it uses less digits than its factorization.

315166320452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78791580117 (or 78791580115 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 315166320452 its reverse (254023661513), we get a palindrome (569189981965).

The spelling of 315166320452 in words is "three hundred fifteen billion, one hundred sixty-six million, three hundred twenty thousand, four hundred fifty-two".