163536730 has 32 divisors (see below), whose sum is σ = 341942400. Its totient is φ = 55149120.

The previous prime is 163536721. The next prime is 163536761. The reversal of 163536730 is 37635361.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 14880 + ... + 23419.

It is an arithmetic number, because the mean of its divisors is an integer number (10685700).

Almost surely, 2^163536730 is an apocalyptic number.

163536730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163536730 is an abundant number, since it is smaller than the sum of its proper divisors (178405670).

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

163536730 is a wasteful number, since it uses less digits than its factorization.

163536730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38374.

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 163536730 is about 12788.1480285458. The cubic root of 163536730 is about 546.8544743534.

The spelling of 163536730 in words is "one hundred sixty-three million, five hundred thirty-six thousand, seven hundred thirty".