1614161444 has 24 divisors (see below), whose sum is σ = 3332464128. Its totient is φ = 669467520.

The previous prime is 1614161411. The next prime is 1614161531. The reversal of 1614161444 is 4441614161.

It is a self number, because there is not a number n which added to its sum of digits gives 1614161444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928949 + ... + 930684.

It is an arithmetic number, because the mean of its divisors is an integer number (138852672).

Almost surely, 2^1614161444 is an apocalyptic number.

1614161444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1614161444 is an abundant number, since it is smaller than the sum of its proper divisors (1718302684).

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

1614161444 is a wasteful number, since it uses less digits than its factorization.

1614161444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859675 (or 1859673 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 1614161444 is about 40176.6280815103. The cubic root of 1614161444 is about 1173.0476572574.

The spelling of 1614161444 in words is "one billion, six hundred fourteen million, one hundred sixty-one thousand, four hundred forty-four".