164741087 has 12 divisors (see below), whose sum is σ = 194340816. Its totient is φ = 139214880.

The previous prime is 164741011. The next prime is 164741107. The reversal of 164741087 is 780147461.

It is not a de Polignac number, because 164741087 - 2¹⁰ = 164740063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164741087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164743087) 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, 20198 + ... + 27155.

It is an arithmetic number, because the mean of its divisors is an integer number (16195068).

Almost surely, 2^164741087 is an apocalyptic number.

164741087 is a deficient number, since it is larger than the sum of its proper divisors (29599729).

164741087 is an equidigital number, since it uses as much as digits as its factorization.

164741087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47438 (or 47431 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 164741087 is about 12835.1504471120. The cubic root of 164741087 is about 548.1936186466.

The spelling of 164741087 in words is "one hundred sixty-four million, seven hundred forty-one thousand, eighty-seven".