172669107 has 16 divisors (see below), whose sum is σ = 249122048. Its totient is φ = 105749280.

The previous prime is 172669087. The next prime is 172669109. The reversal of 172669107 is 701966271.

172669107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 172669107 - 2⁸ = 172668851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172669109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2263 + ... + 18720.

It is an arithmetic number, because the mean of its divisors is an integer number (15570128).

Almost surely, 2^172669107 is an apocalyptic number.

172669107 is a deficient number, since it is larger than the sum of its proper divisors (76452941).

172669107 is a wasteful number, since it uses less digits than its factorization.

172669107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21210.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 172669107 is about 13140.3617530112. The cubic root of 172669107 is about 556.8499875902.

The spelling of 172669107 in words is "one hundred seventy-two million, six hundred sixty-nine thousand, one hundred seven".