172663044 has 12 divisors (see below), whose sum is σ = 402880464. Its totient is φ = 57554344.

The previous prime is 172663027. The next prime is 172663061. The reversal of 172663044 is 440366271.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (172663027) and next prime (172663061).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 172662996 and 172663014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7194282 + ... + 7194305.

It is an arithmetic number, because the mean of its divisors is an integer number (33573372).

Almost surely, 2^172663044 is an apocalyptic number.

It is an amenable number.

172663044 is an abundant number, since it is smaller than the sum of its proper divisors (230217420).

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

172663044 is a wasteful number, since it uses less digits than its factorization.

172663044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14388594 (or 14388592 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 172663044 is about 13140.1310495748. The cubic root of 172663044 is about 556.8434698812.

The spelling of 172663044 in words is "one hundred seventy-two million, six hundred sixty-three thousand, forty-four".