162246981 has 8 divisors (see below), whose sum is σ = 232970080. Its totient is φ = 99844272.

The previous prime is 162246979. The next prime is 162247003. The reversal of 162246981 is 189642261.

162246981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 162246981 - 2¹ = 162246979 is a prime.

It is a super-2 number, since 2×162246981² = 52648165687228722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 4160179 = 162246981 / (1 + 6 + 2 + 2 + 4 + 6 + 9 + 8 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162246781) 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, 2080051 + ... + 2080128.

It is an arithmetic number, because the mean of its divisors is an integer number (29121260).

Almost surely, 2^162246981 is an apocalyptic number.

It is an amenable number.

162246981 is a deficient number, since it is larger than the sum of its proper divisors (70723099).

162246981 is a wasteful number, since it uses less digits than its factorization.

162246981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4160195.

The product of its digits is 41472, while the sum is 39.

The square root of 162246981 is about 12737.6206961897. The cubic root of 162246981 is about 545.4130706773.

The spelling of 162246981 in words is "one hundred sixty-two million, two hundred forty-six thousand, nine hundred eighty-one".