165213063031206 has 16 divisors (see below), whose sum is σ = 331297962811200. Its totient is φ = 54925714885608.

The previous prime is 165213063031201. The next prime is 165213063031207. The reversal of 165213063031206 is 602130360312561.

165213063031206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165213063031201) 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, 36326528736 + ... + 36326533283.

It is an arithmetic number, because the mean of its divisors is an integer number (20706122675700).

Almost surely, 2^{165213063031206} is an apocalyptic number.

165213063031206 is an abundant number, since it is smaller than the sum of its proper divisors (166084899779994).

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

165213063031206 is a wasteful number, since it uses less digits than its factorization.

165213063031206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72653062403.

The product of its (nonzero) digits is 116640, while the sum is 39.

The spelling of 165213063031206 in words is "one hundred sixty-five trillion, two hundred thirteen billion, sixty-three million, thirty-one thousand, two hundred six".