171042630602 has 4 divisors (see below), whose sum is σ = 256563945906. Its totient is φ = 85521315300.

The previous prime is 171042630589. The next prime is 171042630607. The reversal of 171042630602 is 206036240171.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 206036240171 = 315851 ⋅652321.

It can be written as a sum of positive squares in only one way, i.e., 169662433801 + 1380196801 = 411901^2 + 37151^2 .

It is not an unprimeable number, because it can be changed into a prime (171042630607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42760657649 + ... + 42760657652.

Almost surely, 2^171042630602 is an apocalyptic number.

171042630602 is a deficient number, since it is larger than the sum of its proper divisors (85521315304).

171042630602 is an equidigital number, since it uses as much as digits as its factorization.

171042630602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85521315303.

The product of its (nonzero) digits is 12096, while the sum is 32.

Adding to 171042630602 its reverse (206036240171), we get a palindrome (377078870773).

The spelling of 171042630602 in words is "one hundred seventy-one billion, forty-two million, six hundred thirty thousand, six hundred two".