161700006 has 32 divisors (see below), whose sum is σ = 352205280. Its totient is φ = 49192704.

The previous prime is 161700001. The next prime is 161700017. The reversal of 161700006 is 600007161.

It is a super-2 number, since 2×161700006² = 52293783880800072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161700001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4705 + ... + 18588.

It is an arithmetic number, because the mean of its divisors is an integer number (11006415).

Almost surely, 2^161700006 is an apocalyptic number.

161700006 is an abundant number, since it is smaller than the sum of its proper divisors (190505274).

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

161700006 is a wasteful number, since it uses less digits than its factorization.

161700006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23400.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 161700006 is about 12716.1317231303. The cubic root of 161700006 is about 544.7994728422.

Adding to 161700006 its reverse (600007161), we get a palindrome (761707167).

The spelling of 161700006 in words is "one hundred sixty-one million, seven hundred thousand, six".