1601712106 has 4 divisors (see below), whose sum is σ = 2402568162. Its totient is φ = 800856052.

The previous prime is 1601712071. The next prime is 1601712121. The reversal of 1601712106 is 6012171061.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 922640625 + 679071481 = 30375^2 + 26059^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400428025 + ... + 400428028.

Almost surely, 2^1601712106 is an apocalyptic number.

1601712106 is a deficient number, since it is larger than the sum of its proper divisors (800856056).

1601712106 is an equidigital number, since it uses as much as digits as its factorization.

1601712106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800856055.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 1601712106 is about 40021.3956028522. The cubic root of 1601712106 is about 1170.0241322609.

Adding to 1601712106 its reverse (6012171061), we get a palindrome (7613883167).

The spelling of 1601712106 in words is "one billion, six hundred one million, seven hundred twelve thousand, one hundred six".