162257216 has 28 divisors (see below), whose sum is σ = 351251520. Its totient is φ = 73752960.

The previous prime is 162257171. The next prime is 162257243. The reversal of 162257216 is 612752261.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 114536 + ... + 115943.

Almost surely, 2^162257216 is an apocalyptic number.

162257216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

162257216 is an abundant number, since it is smaller than the sum of its proper divisors (188994304).

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

162257216 is a wasteful number, since it uses less digits than its factorization.

162257216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230502 (or 230492 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 162257216 is about 12738.0224524845. The cubic root of 162257216 is about 545.4245391709.

The spelling of 162257216 in words is "one hundred sixty-two million, two hundred fifty-seven thousand, two hundred sixteen".