164051361 has 12 divisors (see below), whose sum is σ = 238830592. Its totient is φ = 108505656.

The previous prime is 164051357. The next prime is 164051369. The reversal of 164051361 is 163150461.

164051361 is a `hidden beast` number, since 1 + 640 + 5 + 13 + 6 + 1 = 666.

164051361 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 164051361 - 2² = 164051357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164051369) 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, 70621 + ... + 72906.

Almost surely, 2^164051361 is an apocalyptic number.

It is an amenable number.

164051361 is a deficient number, since it is larger than the sum of its proper divisors (74779231).

164051361 is a wasteful number, since it uses less digits than its factorization.

164051361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143660 (or 143657 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 164051361 is about 12808.2536280322. The cubic root of 164051361 is about 547.4275027545.

It can be divided in two parts, 16405 and 1361, that added together give a triangular number (17766 = T₁₈₈).

The spelling of 164051361 in words is "one hundred sixty-four million, fifty-one thousand, three hundred sixty-one".