163161686930 has 32 divisors (see below), whose sum is σ = 339236709120. Its totient is φ = 55841432320.

The previous prime is 163161686893. The next prime is 163161687023. The reversal of 163161686930 is 39686161361.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43624250 + ... + 43627989.

It is an arithmetic number, because the mean of its divisors is an integer number (10601147160).

Almost surely, 2^163161686930 is an apocalyptic number.

163161686930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163161686930 is an abundant number, since it is smaller than the sum of its proper divisors (176075022190).

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

163161686930 is a wasteful number, since it uses less digits than its factorization.

163161686930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87252274.

The product of its (nonzero) digits is 839808, while the sum is 50.

The spelling of 163161686930 in words is "one hundred sixty-three billion, one hundred sixty-one million, six hundred eighty-six thousand, nine hundred thirty".