164312054 has 4 divisors (see below), whose sum is σ = 246468084. Its totient is φ = 82156026.

The previous prime is 164312011. The next prime is 164312063. The reversal of 164312054 is 450213461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 450213461 = 179 ⋅2515159.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41078012 + ... + 41078015.

It is an arithmetic number, because the mean of its divisors is an integer number (61617021).

Almost surely, 2^164312054 is an apocalyptic number.

164312054 is a deficient number, since it is larger than the sum of its proper divisors (82156030).

164312054 is an equidigital number, since it uses as much as digits as its factorization.

164312054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82156029.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 164312054 is about 12818.4263464748. The cubic root of 164312054 is about 547.7173205089.

The spelling of 164312054 in words is "one hundred sixty-four million, three hundred twelve thousand, fifty-four".