172217035352 has 16 divisors (see below), whose sum is σ = 322911673440. Its totient is φ = 86107255776.

The previous prime is 172217035351. The next prime is 172217035357. The reversal of 172217035352 is 253530712271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172217035351) 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, 690758 + ... + 906410.

It is an arithmetic number, because the mean of its divisors is an integer number (20181979590).

Almost surely, 2^172217035352 is an apocalyptic number.

It is an amenable number.

172217035352 is a deficient number, since it is larger than the sum of its proper divisors (150694638088).

172217035352 is a wasteful number, since it uses less digits than its factorization.

172217035352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315482 (or 315478 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 38.

The spelling of 172217035352 in words is "one hundred seventy-two billion, two hundred seventeen million, thirty-five thousand, three hundred fifty-two".