160878001 has 4 divisors (see below), whose sum is σ = 161298432. Its totient is φ = 160457572.

The previous prime is 160877971. The next prime is 160878013. The reversal of 160878001 is 100878061.

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, and also an emirpimes, since its reverse is a distinct semiprime: 100878061 = 31 ⋅3254131.

It is a cyclic number.

It is not a de Polignac number, because 160878001 - 2²¹ = 158780849 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160878041) 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, 209641 + ... + 210406.

It is an arithmetic number, because the mean of its divisors is an integer number (40324608).

Almost surely, 2^160878001 is an apocalyptic number.

It is an amenable number.

160878001 is a deficient number, since it is larger than the sum of its proper divisors (420431).

160878001 is an equidigital number, since it uses as much as digits as its factorization.

160878001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420430.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 160878001 is about 12683.7691953141. The cubic root of 160878001 is about 543.8747380007.

The spelling of 160878001 in words is "one hundred sixty million, eight hundred seventy-eight thousand, one".