108162555642 has 48 divisors (see below), whose sum is σ = 244699172640. Its totient is φ = 34485583776.

The previous prime is 108162555619. The next prime is 108162555649. The reversal of 108162555642 is 246555261801.

108162555642 is a `hidden beast` number, since 1 + 0 + 81 + 6 + 2 + 5 + 5 + 564 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (108162555649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 912408 + ... + 1024115.

It is an arithmetic number, because the mean of its divisors is an integer number (5097899430).

Almost surely, 2^108162555642 is an apocalyptic number.

108162555642 is an abundant number, since it is smaller than the sum of its proper divisors (136536616998).

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

108162555642 is a wasteful number, since it uses less digits than its factorization.

108162555642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936667 (or 1936664 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The spelling of 108162555642 in words is "one hundred eight billion, one hundred sixty-two million, five hundred fifty-five thousand, six hundred forty-two".