162157897941 has 12 divisors (see below), whose sum is σ = 234121462848. Its totient is φ = 99789475344.

The previous prime is 162157897939. The next prime is 162157897961. The reversal of 162157897941 is 149798751261.

It is not a de Polignac number, because 162157897941 - 2¹ = 162157897939 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162157897961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159918525 + ... + 159919538.

It is an arithmetic number, because the mean of its divisors is an integer number (19510121904).

Almost surely, 2^162157897941 is an apocalyptic number.

It is an amenable number.

162157897941 is a deficient number, since it is larger than the sum of its proper divisors (71963564907).

162157897941 is a wasteful number, since it uses less digits than its factorization.

162157897941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319838092 (or 319838079 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 60.

The spelling of 162157897941 in words is "one hundred sixty-two billion, one hundred fifty-seven million, eight hundred ninety-seven thousand, nine hundred forty-one".