168377401 has 8 divisors (see below), whose sum is σ = 178446240. Its totient is φ = 158326848.

The previous prime is 168377389. The next prime is 168377459. The reversal of 168377401 is 104773861.

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

It is not a de Polignac number, because 168377401 - 2¹⁹ = 167853113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168377101) 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, 17470 + ... + 25336.

It is an arithmetic number, because the mean of its divisors is an integer number (22305780).

Almost surely, 2^168377401 is an apocalyptic number.

It is an amenable number.

168377401 is a deficient number, since it is larger than the sum of its proper divisors (10068839).

168377401 is a wasteful number, since it uses less digits than its factorization.

168377401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9143.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 168377401 is about 12976.0317894185. The cubic root of 168377401 is about 552.1977091003.

The spelling of 168377401 in words is "one hundred sixty-eight million, three hundred seventy-seven thousand, four hundred one".