164461356 has 18 divisors (see below), whose sum is σ = 415721852. Its totient is φ = 54820440.

The previous prime is 164461343. The next prime is 164461357. The reversal of 164461356 is 653164461.

It is a happy number.

164461356 is a `hidden beast` number, since 1 + 644 + 6 + 1 + 3 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4568371 = 164461356 / (1 + 6 + 4 + 4 + 6 + 1 + 3 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 164461356.

It is not an unprimeable number, because it can be changed into a prime (164461357) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2284150 + ... + 2284221.

Almost surely, 2^164461356 is an apocalyptic number.

It is an amenable number.

164461356 is an abundant number, since it is smaller than the sum of its proper divisors (251260496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164461356 is a wasteful number, since it uses less digits than its factorization.

164461356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4568381 (or 4568376 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 164461356 is about 12824.2487499268. The cubic root of 164461356 is about 547.8831645712.

The spelling of 164461356 in words is "one hundred sixty-four million, four hundred sixty-one thousand, three hundred fifty-six".