163406864142 has 12 divisors (see below), whose sum is σ = 354048205680. Its totient is φ = 54468954708.

The previous prime is 163406864107. The next prime is 163406864147. The reversal of 163406864142 is 241468604361.

163406864142 is a `hidden beast` number, since 1 + 634 + 0 + 6 + 8 + 6 + 4 + 1 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163406864147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4539079542 + ... + 4539079577.

It is an arithmetic number, because the mean of its divisors is an integer number (29504017140).

Almost surely, 2^163406864142 is an apocalyptic number.

163406864142 is an abundant number, since it is smaller than the sum of its proper divisors (190641341538).

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

163406864142 is a wasteful number, since it uses less digits than its factorization.

163406864142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9078159127 (or 9078159124 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 163406864142 in words is "one hundred sixty-three billion, four hundred six million, eight hundred sixty-four thousand, one hundred forty-two".