162506181654 has 48 divisors (see below), whose sum is σ = 352620974160. Its totient is φ = 54088151040.

The previous prime is 162506181637. The next prime is 162506181667. The reversal of 162506181654 is 456181605261.

162506181654 is a `hidden beast` number, since 1 + 6 + 2 + 506 + 1 + 81 + 65 + 4 = 666.

162506181654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60432342 + ... + 60435030.

It is an arithmetic number, because the mean of its divisors is an integer number (7346270295).

Almost surely, 2^162506181654 is an apocalyptic number.

162506181654 is an abundant number, since it is smaller than the sum of its proper divisors (190114792506).

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

162506181654 is a wasteful number, since it uses less digits than its factorization.

162506181654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6445 (or 6442 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 162506181654 in words is "one hundred sixty-two billion, five hundred six million, one hundred eighty-one thousand, six hundred fifty-four".