512170342156 has 24 divisors (see below), whose sum is σ = 982899025920. Its totient is φ = 231585824400.

The previous prime is 512170342147. The next prime is 512170342183. The reversal of 512170342156 is 651243071215.

It is a super-2 number, since 2×512170342156² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30463416 + ... + 30480223.

It is an arithmetic number, because the mean of its divisors is an integer number (40954126080).

Almost surely, 2^512170342156 is an apocalyptic number.

It is an amenable number.

512170342156 is a deficient number, since it is larger than the sum of its proper divisors (470728683764).

512170342156 is a wasteful number, since it uses less digits than its factorization.

512170342156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60943845 (or 60943843 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 512170342156 in words is "five hundred twelve billion, one hundred seventy million, three hundred forty-two thousand, one hundred fifty-six".