168132631 has 8 divisors (see below), whose sum is σ = 170066304. Its totient is φ = 166205880.

The previous prime is 168132617. The next prime is 168132641. The reversal of 168132631 is 136231861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 168132631 - 2⁹ = 168132119 is a prime.

It is a super-2 number, since 2×168132631² = 56537163213964322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168132593 and 168132602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168132641) 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, 58846 + ... + 61636.

It is an arithmetic number, because the mean of its divisors is an integer number (21258288).

Almost surely, 2^168132631 is an apocalyptic number.

168132631 is a deficient number, since it is larger than the sum of its proper divisors (1933673).

168132631 is a wasteful number, since it uses less digits than its factorization.

168132631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3461.

The product of its digits is 5184, while the sum is 31.

The square root of 168132631 is about 12966.5967393144. The cubic root of 168132631 is about 551.9300029828.

The spelling of 168132631 in words is "one hundred sixty-eight million, one hundred thirty-two thousand, six hundred thirty-one".