1613465120 has 24 divisors (see below), whose sum is σ = 3811811724. Its totient is φ = 645385984.

The previous prime is 1613465099. The next prime is 1613465129. The reversal of 1613465120 is 215643161.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1593287056 + 20178064 = 39916^2 + 4492^2 .

It is a super-2 number, since 2×1613465120² = 5206539386913228800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1613465129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5041919 + ... + 5042238.

Almost surely, 2^1613465120 is an apocalyptic number.

1613465120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1613465120 is an abundant number, since it is smaller than the sum of its proper divisors (2198346604).

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

1613465120 is a wasteful number, since it uses less digits than its factorization.

1613465120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10084172 (or 10084164 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1613465120 is about 40167.9613622598. The cubic root of 1613465120 is about 1172.8789548593.

The spelling of 1613465120 in words is "one billion, six hundred thirteen million, four hundred sixty-five thousand, one hundred twenty".