162660645642 has 64 divisors (see below), whose sum is σ = 368097084288. Its totient is φ = 47484000000.

The previous prime is 162660645629. The next prime is 162660645673. The reversal of 162660645642 is 246546066261.

It is a junction number, because it is equal to n+sod(n) for n = 162660645591 and 162660645600.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83109 + ... + 576392.

It is an arithmetic number, because the mean of its divisors is an integer number (5751516942).

Almost surely, 2^162660645642 is an apocalyptic number.

162660645642 is an abundant number, since it is smaller than the sum of its proper divisors (205436438646).

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

162660645642 is a wasteful number, since it uses less digits than its factorization.

162660645642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659655.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 162660645642 in words is "one hundred sixty-two billion, six hundred sixty million, six hundred forty-five thousand, six hundred forty-two".