162272072 has 32 divisors (see below), whose sum is σ = 323896320. Its totient is φ = 75951360.

The previous prime is 162272069. The next prime is 162272119. The reversal of 162272072 is 270272261.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22853 + ... + 29099.

It is an arithmetic number, because the mean of its divisors is an integer number (10121760).

Almost surely, 2^162272072 is an apocalyptic number.

It is an amenable number.

162272072 is a deficient number, since it is larger than the sum of its proper divisors (161624248).

162272072 is a wasteful number, since it uses less digits than its factorization.

162272072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6461 (or 6457 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 162272072 is about 12738.6055751797. The cubic root of 162272072 is about 545.4411847165.

The spelling of 162272072 in words is "one hundred sixty-two million, two hundred seventy-two thousand, seventy-two".