162981457670 has 16 divisors (see below), whose sum is σ = 294756990768. Its totient is φ = 64883612640.

The previous prime is 162981457669. The next prime is 162981457693. The reversal of 162981457670 is 76754189261.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38619089 + ... + 38623308.

It is an arithmetic number, because the mean of its divisors is an integer number (18422311923).

Almost surely, 2^162981457670 is an apocalyptic number.

162981457670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

162981457670 is a deficient number, since it is larger than the sum of its proper divisors (131775533098).

162981457670 is a wasteful number, since it uses less digits than its factorization.

162981457670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77242615.

The product of its (nonzero) digits is 5080320, while the sum is 56.

The spelling of 162981457670 in words is "one hundred sixty-two billion, nine hundred eighty-one million, four hundred fifty-seven thousand, six hundred seventy".