164117554 has 16 divisors (see below), whose sum is σ = 268070400. Its totient is φ = 75058704.

The previous prime is 164117549. The next prime is 164117579. The reversal of 164117554 is 455711461.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73362 + ... + 75565.

It is an arithmetic number, because the mean of its divisors is an integer number (16754400).

Almost surely, 2^164117554 is an apocalyptic number.

164117554 is a deficient number, since it is larger than the sum of its proper divisors (103952846).

164117554 is a wasteful number, since it uses less digits than its factorization.

164117554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148977.

The product of its digits is 16800, while the sum is 34.

The square root of 164117554 is about 12810.8373652935. The cubic root of 164117554 is about 547.5011199354.

The spelling of 164117554 in words is "one hundred sixty-four million, one hundred seventeen thousand, five hundred fifty-four".