165214152210 has 16 divisors (see below), whose sum is σ = 396513965376. Its totient is φ = 44057107248.

The previous prime is 165214152193. The next prime is 165214152217. The reversal of 165214152210 is 12251412561.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 5507138407 = 165214152210 / (1 + 6 + 5 + 2 + 1 + 4 + 1 + 5 + 2 + 2 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (165214152217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2753569174 + ... + 2753569233.

It is an arithmetic number, because the mean of its divisors is an integer number (24782122836).

Almost surely, 2^165214152210 is an apocalyptic number.

165214152210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165214152210 is an abundant number, since it is smaller than the sum of its proper divisors (231299813166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165214152210 is a wasteful number, since it uses less digits than its factorization.

165214152210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5507138417.

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 165214152210 its reverse (12251412561), we get a palindrome (177465564771).

The spelling of 165214152210 in words is "one hundred sixty-five billion, two hundred fourteen million, one hundred fifty-two thousand, two hundred ten".