160686401 has 4 divisors (see below), whose sum is σ = 169143600. Its totient is φ = 152229204.

The previous prime is 160686391. The next prime is 160686403. The reversal of 160686401 is 104686061.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 160686401 - 2²² = 156492097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160686403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4228571 + ... + 4228608.

It is an arithmetic number, because the mean of its divisors is an integer number (42285900).

Almost surely, 2^160686401 is an apocalyptic number.

It is an amenable number.

160686401 is a deficient number, since it is larger than the sum of its proper divisors (8457199).

160686401 is an equidigital number, since it uses as much as digits as its factorization.

160686401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8457198.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 160686401 is about 12676.2139852560. The cubic root of 160686401 is about 543.6587403809.

The spelling of 160686401 in words is "one hundred sixty million, six hundred eighty-six thousand, four hundred one".