162688401 has 12 divisors (see below), whose sum is σ = 235115920. Its totient is φ = 108402840.

The previous prime is 162688399. The next prime is 162688417. The reversal of 162688401 is 104886261.

162688401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 162688401 - 2¹ = 162688399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162688441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21270 + ... + 27888.

Almost surely, 2^162688401 is an apocalyptic number.

It is an amenable number.

162688401 is a deficient number, since it is larger than the sum of its proper divisors (72427519).

162688401 is a wasteful number, since it uses less digits than its factorization.

162688401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9356 (or 9353 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 162688401 is about 12754.9363385318. The cubic root of 162688401 is about 545.9072518867.

The spelling of 162688401 in words is "one hundred sixty-two million, six hundred eighty-eight thousand, four hundred one".