165641314106 has 8 divisors (see below), whose sum is σ = 248547157140. Its totient is φ = 82792261728.

The previous prime is 165641314051. The next prime is 165641314109. The reversal of 165641314106 is 601413146561.

It can be written as a sum of positive squares in 2 ways, for example, as 141369232081 + 24272082025 = 375991^2 + 155795^2 .

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 165641314106.

It is not an unprimeable number, because it can be changed into a prime (165641314109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14190371 + ... + 14202038.

Almost surely, 2^165641314106 is an apocalyptic number.

165641314106 is a deficient number, since it is larger than the sum of its proper divisors (82905843034).

165641314106 is a wasteful number, since it uses less digits than its factorization.

165641314106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28395328.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 165641314106 in words is "one hundred sixty-five billion, six hundred forty-one million, three hundred fourteen thousand, one hundred six".