162185165645 has 16 divisors (see below), whose sum is σ = 198434126592. Its totient is φ = 127210299840.

The previous prime is 162185165621. The next prime is 162185165687. The reversal of 162185165645 is 546561581261.

It is not a de Polignac number, because 162185165645 - 2¹⁴ = 162185149261 is a prime.

It is a super-3 number, since 3×162185165645³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 162185165593 and 162185165602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162050 + ... + 592140.

It is an arithmetic number, because the mean of its divisors is an integer number (12402132912).

Almost surely, 2^162185165645 is an apocalyptic number.

It is an amenable number.

162185165645 is a deficient number, since it is larger than the sum of its proper divisors (36248960947).

162185165645 is a wasteful number, since it uses less digits than its factorization.

162185165645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431572.

The product of its digits is 1728000, while the sum is 50.

The spelling of 162185165645 in words is "one hundred sixty-two billion, one hundred eighty-five million, one hundred sixty-five thousand, six hundred forty-five".