172106652 has 24 divisors (see below), whose sum is σ = 407577856. Its totient is φ = 56512368.

The previous prime is 172106651. The next prime is 172106653. The reversal of 172106652 is 256601271.

It is an interprime number because it is at equal distance from previous prime (172106651) and next prime (172106653).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172106651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106228 + ... + 107835.

Almost surely, 2^172106652 is an apocalyptic number.

172106652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172106652 is an abundant number, since it is smaller than the sum of its proper divisors (235471204).

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

172106652 is a wasteful number, since it uses less digits than its factorization.

172106652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214137 (or 214135 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 172106652 is about 13118.9424878684. The cubic root of 172106652 is about 556.2446993225.

The spelling of 172106652 in words is "one hundred seventy-two million, one hundred six thousand, six hundred fifty-two".