163640430346300 has 36 divisors (see below), whose sum is σ = 355136423598880. Its totient is φ = 65449409051520.

The previous prime is 163640430346249. The next prime is 163640430346303. The reversal of 163640430346300 is 3643034046361.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163640430346303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83565849 + ... + 85501648.

Almost surely, 2^{163640430346300} is an apocalyptic number.

163640430346300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163640430346300 is an abundant number, since it is smaller than the sum of its proper divisors (191495993252580).

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

163640430346300 is a wasteful number, since it uses less digits than its factorization.

163640430346300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169077190 (or 169077183 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 43.

The spelling of 163640430346300 in words is "one hundred sixty-three trillion, six hundred forty billion, four hundred thirty million, three hundred forty-six thousand, three hundred".