172373316016 has 40 divisors (see below), whose sum is σ = 365925574800. Its totient is φ = 78009342720.

The previous prime is 172373316013. The next prime is 172373316091. The reversal of 172373316016 is 610613373271.

It is a super-2 number, since 2×172373316016² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 172373316016.

It is not an unprimeable number, because it can be changed into a prime (172373316013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2098111 + ... + 2178718.

It is an arithmetic number, because the mean of its divisors is an integer number (9148139370).

Almost surely, 2^172373316016 is an apocalyptic number.

172373316016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

172373316016 is an abundant number, since it is smaller than the sum of its proper divisors (193552258784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172373316016 is a wasteful number, since it uses less digits than its factorization.

172373316016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4277077 (or 4277071 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 40.

Adding to 172373316016 its reverse (610613373271), we get a palindrome (782986689287).

The spelling of 172373316016 in words is "one hundred seventy-two billion, three hundred seventy-three million, three hundred sixteen thousand, sixteen".