165522410 has 8 divisors (see below), whose sum is σ = 297940356. Its totient is φ = 66208960.

The previous prime is 165522407. The next prime is 165522443. The reversal of 165522410 is 14225561.

It can be written as a sum of positive squares in 2 ways, for example, as 165302449 + 219961 = 12857^2 + 469^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 165522410.

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, 8276111 + ... + 8276130.

Almost surely, 2^165522410 is an apocalyptic number.

165522410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165522410 is a deficient number, since it is larger than the sum of its proper divisors (132417946).

165522410 is a wasteful number, since it uses less digits than its factorization.

165522410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16552248.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 165522410 is about 12865.5512901702. The cubic root of 165522410 is about 549.0588974893.

Adding to 165522410 its reverse (14225561), we get a palindrome (179747971).

The spelling of 165522410 in words is "one hundred sixty-five million, five hundred twenty-two thousand, four hundred ten".