164411554 has 4 divisors (see below), whose sum is σ = 246617334. Its totient is φ = 82205776.

The previous prime is 164411543. The next prime is 164411603. The reversal of 164411554 is 455114461.

164411554 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 455114461 = 103 ⋅4418587.

It can be written as a sum of positive squares in only one way, i.e., 154330929 + 10080625 = 12423^2 + 3175^2 .

It is a super-3 number, since 3×164411554³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41102887 + ... + 41102890.

Almost surely, 2^164411554 is an apocalyptic number.

164411554 is a deficient number, since it is larger than the sum of its proper divisors (82205780).

164411554 is an equidigital number, since it uses as much as digits as its factorization.

164411554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82205779.

The product of its digits is 9600, while the sum is 31.

The square root of 164411554 is about 12822.3068907276. The cubic root of 164411554 is about 547.8278558699.

The spelling of 164411554 in words is "one hundred sixty-four million, four hundred eleven thousand, five hundred fifty-four".