162672389 has 8 divisors (see below), whose sum is σ = 178653600. Its totient is φ = 146890000.

The previous prime is 162672373. The next prime is 162672401. The reversal of 162672389 is 983276261.

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 162672389 - 2⁴ = 162672373 is a prime.

It is a super-2 number, since 2×162672389² = 52924612285934642, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162672089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47987 + ... + 51264.

It is an arithmetic number, because the mean of its divisors is an integer number (22331700).

Almost surely, 2^162672389 is an apocalyptic number.

It is an amenable number.

162672389 is a deficient number, since it is larger than the sum of its proper divisors (15981211).

162672389 is a wasteful number, since it uses less digits than its factorization.

162672389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99411.

The product of its digits is 217728, while the sum is 44.

The square root of 162672389 is about 12754.3086445326. The cubic root of 162672389 is about 545.8893416697.

The spelling of 162672389 in words is "one hundred sixty-two million, six hundred seventy-two thousand, three hundred eighty-nine".