164285390 has 8 divisors (see below), whose sum is σ = 295713720. Its totient is φ = 65714152.

The previous prime is 164285369. The next prime is 164285411. The reversal of 164285390 is 93582461.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (164285369) and next prime (164285411).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent 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, 8214260 + ... + 8214279.

It is an arithmetic number, because the mean of its divisors is an integer number (36964215).

Almost surely, 2^164285390 is an apocalyptic number.

164285390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164285390 is a deficient number, since it is larger than the sum of its proper divisors (131428330).

164285390 is a wasteful number, since it uses less digits than its factorization.

164285390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16428546.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 164285390 is about 12817.3862390114. The cubic root of 164285390 is about 547.6876916730.

The spelling of 164285390 in words is "one hundred sixty-four million, two hundred eighty-five thousand, three hundred ninety".