164092490 has 8 divisors (see below), whose sum is σ = 295366500. Its totient is φ = 65636992.

The previous prime is 164092477. The next prime is 164092507. The reversal of 164092490 is 94290461.

It can be written as a sum of positive squares in 2 ways, for example, as 161772961 + 2319529 = 12719^2 + 1523^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 164092490.

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, 8204615 + ... + 8204634.

Almost surely, 2^164092490 is an apocalyptic number.

164092490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164092490 is a deficient number, since it is larger than the sum of its proper divisors (131274010).

164092490 is a wasteful number, since it uses less digits than its factorization.

164092490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16409256.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 164092490 is about 12809.8590936825. The cubic root of 164092490 is about 547.4732470960.

The spelling of 164092490 in words is "one hundred sixty-four million, ninety-two thousand, four hundred ninety".