1613405112 has 32 divisors (see below), whose sum is σ = 4400196480. Its totient is φ = 488910560.

The previous prime is 1613405089. The next prime is 1613405113. The reversal of 1613405112 is 2115043161.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613405113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3055428 + ... + 3055955.

It is an arithmetic number, because the mean of its divisors is an integer number (137506140).

Almost surely, 2^1613405112 is an apocalyptic number.

1613405112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1613405112 is an abundant number, since it is smaller than the sum of its proper divisors (2786791368).

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

1613405112 is a wasteful number, since it uses less digits than its factorization.

1613405112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6111403 (or 6111399 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1613405112 is about 40167.2143918395. The cubic root of 1613405112 is about 1172.8644141064.

Adding to 1613405112 its reverse (2115043161), we get a palindrome (3728448273).

The spelling of 1613405112 in words is "one billion, six hundred thirteen million, four hundred five thousand, one hundred twelve".