1908348816 has 80 divisors (see below), whose sum is σ = 5412564288. Its totient is φ = 574579200.

The previous prime is 1908348811. The next prime is 1908348823. The reversal of 1908348816 is 6188438091.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1908348811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71386 + ... + 94406.

Almost surely, 2^1908348816 is an apocalyptic number.

1908348816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1908348816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2706282144).

1908348816 is an abundant number, since it is smaller than the sum of its proper divisors (3504215472).

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

1908348816 is a wasteful number, since it uses less digits than its factorization.

1908348816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23200 (or 23194 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 1908348816 is about 43684.6519500843. The cubic root of 1908348816 is about 1240.3738068302.

The spelling of 1908348816 in words is "one billion, nine hundred eight million, three hundred forty-eight thousand, eight hundred sixteen".