162073143640 has 16 divisors (see below), whose sum is σ = 364664573280. Its totient is φ = 64829257440.

The previous prime is 162073143619. The next prime is 162073143671. The reversal of 162073143640 is 46341370261.

It is a self number, because there is not a number n which added to its sum of digits gives 162073143640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2025914256 + ... + 2025914335.

It is an arithmetic number, because the mean of its divisors is an integer number (22791535830).

Almost surely, 2^162073143640 is an apocalyptic number.

162073143640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162073143640 is an abundant number, since it is smaller than the sum of its proper divisors (202591429640).

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

162073143640 is a wasteful number, since it uses less digits than its factorization.

162073143640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4051828602 (or 4051828598 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 162073143640 in words is "one hundred sixty-two billion, seventy-three million, one hundred forty-three thousand, six hundred forty".