162973227 has 8 divisors (see below), whose sum is σ = 218083216. Its totient is φ = 108256032.

The previous prime is 162973219. The next prime is 162973229. The reversal of 162973227 is 722379261.

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

It is not a de Polignac number, because 162973227 - 2³ = 162973219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162973229) 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, 97228 + ... + 98889.

It is an arithmetic number, because the mean of its divisors is an integer number (27260402).

Almost surely, 2^162973227 is an apocalyptic number.

162973227 is a deficient number, since it is larger than the sum of its proper divisors (55109989).

162973227 is a wasteful number, since it uses less digits than its factorization.

162973227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196397.

The product of its digits is 63504, while the sum is 39.

The square root of 162973227 is about 12766.0967801439. The cubic root of 162973227 is about 546.2256477195.

The spelling of 162973227 in words is "one hundred sixty-two million, nine hundred seventy-three thousand, two hundred twenty-seven".