162447972 has 24 divisors (see below), whose sum is σ = 379282176. Its totient is φ = 54115488.

The previous prime is 162447947. The next prime is 162447979. The reversal of 162447972 is 279744261.

It is not an unprimeable number, because it can be changed into a prime (162447979) 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, 22558 + ... + 28874.

It is an arithmetic number, because the mean of its divisors is an integer number (15803424).

Almost surely, 2^162447972 is an apocalyptic number.

162447972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

162447972 is an abundant number, since it is smaller than the sum of its proper divisors (216834204).

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

162447972 is a wasteful number, since it uses less digits than its factorization.

162447972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8467 (or 8465 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 162447972 is about 12745.5079145556. The cubic root of 162447972 is about 545.6381963510.

The spelling of 162447972 in words is "one hundred sixty-two million, four hundred forty-seven thousand, nine hundred seventy-two".