1601413515 has 96 divisors (see below), whose sum is σ = 3181913280. Its totient is φ = 738091008.

The previous prime is 1601413511. The next prime is 1601413523. The reversal of 1601413515 is 5153141061.

1601413515 is a `hidden beast` number, since 1 + 6 + 0 + 141 + 3 + 515 = 666.

It is not a de Polignac number, because 1601413515 - 2² = 1601413511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1601413511) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2814151 + ... + 2814719.

It is an arithmetic number, because the mean of its divisors is an integer number (33144930).

Almost surely, 2^1601413515 is an apocalyptic number.

1601413515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1601413515 is a deficient number, since it is larger than the sum of its proper divisors (1580499765).

1601413515 is a wasteful number, since it uses less digits than its factorization.

1601413515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 1601413515 is about 40017.6650368309. The cubic root of 1601413515 is about 1169.9514224846.

Adding to 1601413515 its reverse (5153141061), we get a palindrome (6754554576).

The spelling of 1601413515 in words is "one billion, six hundred one million, four hundred thirteen thousand, five hundred fifteen".