165388010 has 8 divisors (see below), whose sum is σ = 297698436. Its totient is φ = 66155200.

The previous prime is 165387983. The next prime is 165388021. The reversal of 165388010 is 10883561.

It can be written as a sum of positive squares in 2 ways, for example, as 156925729 + 8462281 = 12527^2 + 2909^2 .

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, 8269391 + ... + 8269410.

Almost surely, 2^165388010 is an apocalyptic number.

165388010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165388010 is a deficient number, since it is larger than the sum of its proper divisors (132310426).

165388010 is a wasteful number, since it uses less digits than its factorization.

165388010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16538808.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 165388010 is about 12860.3269787358. The cubic root of 165388010 is about 548.9102499483.

The spelling of 165388010 in words is "one hundred sixty-five million, three hundred eighty-eight thousand, ten".