162071760643 has 16 divisors (see below), whose sum is σ = 184833774720. Its totient is φ = 140783118336.

The previous prime is 162071760637. The next prime is 162071760671. The reversal of 162071760643 is 346067170261.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162071760643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 162071760643.

It is not an unprimeable number, because it can be changed into a prime (162071760623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1507638 + ... + 1611556.

It is an arithmetic number, because the mean of its divisors is an integer number (11552110920).

Almost surely, 2^162071760643 is an apocalyptic number.

162071760643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

162071760643 is a deficient number, since it is larger than the sum of its proper divisors (22762014077).

162071760643 is a wasteful number, since it uses less digits than its factorization.

162071760643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111006.

The product of its (nonzero) digits is 254016, while the sum is 43.

The spelling of 162071760643 in words is "one hundred sixty-two billion, seventy-one million, seven hundred sixty thousand, six hundred forty-three".