1613345448 has 64 divisors (see below), whose sum is σ = 4738507200. Its totient is φ = 451284480.

The previous prime is 1613345411. The next prime is 1613345467. The reversal of 1613345448 is 8445433161.

It is a happy number.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231613 + ... + 238476.

It is an arithmetic number, because the mean of its divisors is an integer number (74039175).

Almost surely, 2^1613345448 is an apocalyptic number.

It is an amenable number.

1613345448 is an abundant number, since it is smaller than the sum of its proper divisors (3125161752).

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

1613345448 is a wasteful number, since it uses less digits than its factorization.

1613345448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470122 (or 470118 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 1613345448 is about 40166.4716897066. The cubic root of 1613345448 is about 1172.8499563519.

The spelling of 1613345448 in words is "one billion, six hundred thirteen million, three hundred forty-five thousand, four hundred forty-eight".