163140421531140 has 72 divisors (see below), whose sum is σ = 510822481198848. Its totient is φ = 42100753942080.

The previous prime is 163140421531133. The next prime is 163140421531141. The reversal of 163140421531140 is 41135124041361.

163140421531140 is a `hidden beast` number, since 1 + 6 + 3 + 1 + 40 + 42 + 1 + 531 + 1 + 40 = 666.

It is a super-2 number, since 2×163140421531140² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 163140421531095 and 163140421531104.

It is not an unprimeable number, because it can be changed into a prime (163140421531141) 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, 14618311762 + ... + 14618322921.

Almost surely, 2^{163140421531140} is an apocalyptic number.

163140421531140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163140421531140 is an abundant number, since it is smaller than the sum of its proper divisors (347682059667708).

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

163140421531140 is a wasteful number, since it uses less digits than its factorization.

163140421531140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29236634729 (or 29236634724 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 163140421531140 in words is "one hundred sixty-three trillion, one hundred forty billion, four hundred twenty-one million, five hundred thirty-one thousand, one hundred forty".