164840546 has 8 divisors (see below), whose sum is σ = 266280924. Its totient is φ = 76080240.

The previous prime is 164840527. The next prime is 164840593. The reversal of 164840546 is 645048461.

It can be written as a sum of positive squares in 2 ways, for example, as 164839921 + 625 = 12839^2 + 25^2 .

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

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, 3169985 + ... + 3170036.

Almost surely, 2^164840546 is an apocalyptic number.

164840546 is a deficient number, since it is larger than the sum of its proper divisors (101440378).

164840546 is a wasteful number, since it uses less digits than its factorization.

164840546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6340036.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 164840546 is about 12839.0243398788. The cubic root of 164840546 is about 548.3039166127.

The spelling of 164840546 in words is "one hundred sixty-four million, eight hundred forty thousand, five hundred forty-six".