164336555 has 4 divisors (see below), whose sum is σ = 197203872. Its totient is φ = 131469240.

The previous prime is 164336519. The next prime is 164336563. The reversal of 164336555 is 555633461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 555633461 = 2503 ⋅221987.

It is not a de Polignac number, because 164336555 - 2¹⁰ = 164335531 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16433651 + ... + 16433660.

It is an arithmetic number, because the mean of its divisors is an integer number (49300968).

Almost surely, 2^164336555 is an apocalyptic number.

164336555 is a deficient number, since it is larger than the sum of its proper divisors (32867317).

164336555 is an equidigital number, since it uses as much as digits as its factorization.

164336555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32867316.

The product of its digits is 162000, while the sum is 38.

The square root of 164336555 is about 12819.3820053854. The cubic root of 164336555 is about 547.7445430098.

The spelling of 164336555 in words is "one hundred sixty-four million, three hundred thirty-six thousand, five hundred fifty-five".