1601510601 has 16 divisors (see below), whose sum is σ = 2152946880. Its totient is φ = 1058890560.

The previous prime is 1601510549. The next prime is 1601510633. The reversal of 1601510601 is 1060151061.

It is not a de Polignac number, because 1601510601 - 2¹⁰ = 1601509577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1601510201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 671431 + ... + 673811.

It is an arithmetic number, because the mean of its divisors is an integer number (134559180).

Almost surely, 2^1601510601 is an apocalyptic number.

It is an amenable number.

1601510601 is a deficient number, since it is larger than the sum of its proper divisors (551436279).

1601510601 is a wasteful number, since it uses less digits than its factorization.

1601510601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 1601510601 is about 40018.8780577367. The cubic root of 1601510601 is about 1169.9750648495.

Adding to 1601510601 its reverse (1060151061), we get a palindrome (2661661662).

It can be divided in two parts, 160151060 and 1, that added together give a palindrome (160151061).

The spelling of 1601510601 in words is "one billion, six hundred one million, five hundred ten thousand, six hundred one".