163431073270 has 8 divisors (see below), whose sum is σ = 294175931904. Its totient is φ = 65372429304.

The previous prime is 163431073249. The next prime is 163431073271. The reversal of 163431073270 is 72370134361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163431073271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8171553654 + ... + 8171553673.

It is an arithmetic number, because the mean of its divisors is an integer number (36771991488).

Almost surely, 2^163431073270 is an apocalyptic number.

163431073270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163431073270 is a deficient number, since it is larger than the sum of its proper divisors (130744858634).

163431073270 is a wasteful number, since it uses less digits than its factorization.

163431073270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16343107334.

The product of its (nonzero) digits is 63504, while the sum is 37.

The spelling of 163431073270 in words is "one hundred sixty-three billion, four hundred thirty-one million, seventy-three thousand, two hundred seventy".