161704701 has 32 divisors (see below), whose sum is σ = 246758400. Its totient is φ = 104615280.

The previous prime is 161704693. The next prime is 161704721. The reversal of 161704701 is 107407161.

161704701 is a `hidden beast` number, since 1 + 617 + 0 + 47 + 0 + 1 = 666.

It is not a de Polignac number, because 161704701 - 2³ = 161704693 is a prime.

It is a super-2 number, since 2×161704701² = 52296820650998802, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161704721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127810 + ... + 129068.

It is an arithmetic number, because the mean of its divisors is an integer number (7711200).

Almost surely, 2^161704701 is an apocalyptic number.

It is an amenable number.

161704701 is a deficient number, since it is larger than the sum of its proper divisors (85053699).

161704701 is a wasteful number, since it uses less digits than its factorization.

161704701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406 (or 1400 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 161704701 is about 12716.3163298182. The cubic root of 161704701 is about 544.8047455873.

The spelling of 161704701 in words is "one hundred sixty-one million, seven hundred four thousand, seven hundred one".