1613545120 has 48 divisors (see below), whose sum is σ = 4158550368. Its totient is φ = 586743040.

The previous prime is 1613545097. The next prime is 1613545147. The reversal of 1613545120 is 215453161.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456634 + ... + 460153.

It is an arithmetic number, because the mean of its divisors is an integer number (86636466).

Almost surely, 2^1613545120 is an apocalyptic number.

1613545120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1613545120 is an abundant number, since it is smaller than the sum of its proper divisors (2545005248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1613545120 is a wasteful number, since it uses less digits than its factorization.

1613545120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916813 (or 916805 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1613545120 is about 40168.9571684404. The cubic root of 1613545120 is about 1172.8983393844.

Adding to 1613545120 its reverse (215453161), we get a palindrome (1828998281).

The spelling of 1613545120 in words is "one billion, six hundred thirteen million, five hundred forty-five thousand, one hundred twenty".