1601160615 has 40 divisors (see below), whose sum is σ = 2969223840. Its totient is φ = 824499648.

The previous prime is 1601160593. The next prime is 1601160653. The reversal of 1601160615 is 5160611061.

It is not a de Polignac number, because 1601160615 - 2⁸ = 1601160359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 56419 + ... + 79908.

It is an arithmetic number, because the mean of its divisors is an integer number (74230596).

Almost surely, 2^1601160615 is an apocalyptic number.

1601160615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1601160615 is a deficient number, since it is larger than the sum of its proper divisors (1368063225).

1601160615 is a wasteful number, since it uses less digits than its factorization.

1601160615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136373 (or 136364 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1601160615 is about 40014.5050575413. The cubic root of 1601160615 is about 1169.8898318359.

Adding to 1601160615 its reverse (5160611061), we get a palindrome (6761771676).

The spelling of 1601160615 in words is "one billion, six hundred one million, one hundred sixty thousand, six hundred fifteen".