160401697 has 8 divisors (see below), whose sum is σ = 170418600. Its totient is φ = 150683904.

The previous prime is 160401673. The next prime is 160401727. The reversal of 160401697 is 796104061.

It can be written as a sum of positive squares in 4 ways, for example, as 27783441 + 132618256 = 5271^2 + 11516^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 160401697 - 2¹¹ = 160399649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160401497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73672 + ... + 75817.

It is an arithmetic number, because the mean of its divisors is an integer number (21302325).

Almost surely, 2^160401697 is an apocalyptic number.

It is an amenable number.

160401697 is a deficient number, since it is larger than the sum of its proper divisors (10016903).

160401697 is a wasteful number, since it uses less digits than its factorization.

160401697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149555.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 160401697 is about 12664.9791551348. The cubic root of 160401697 is about 543.3374658959.

The spelling of 160401697 in words is "one hundred sixty million, four hundred one thousand, six hundred ninety-seven".