1908016128 has 88 divisors (see below), whose sum is σ = 5650702560. Its totient is φ = 635996160.

The previous prime is 1908016127. The next prime is 1908016147. The reversal of 1908016128 is 8216108091.

It is a super-2 number, since 2×1908016128² = 7281051089416224768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1908016092 and 1908016101.

It is not an unprimeable number, because it can be changed into a prime (1908016127) 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, 6858 + ... + 62153.

Almost surely, 2^1908016128 is an apocalyptic number.

1908016128 is a gapful number since it is divisible by the number (18) 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 1908016128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2825351280).

1908016128 is an abundant number, since it is smaller than the sum of its proper divisors (3742686432).

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

1908016128 is an equidigital number, since it uses as much as digits as its factorization.

1908016128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69040 (or 69016 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 36.

The square root of 1908016128 is about 43680.8439478909. The cubic root of 1908016128 is about 1240.3017233166.

The spelling of 1908016128 in words is "one billion, nine hundred eight million, sixteen thousand, one hundred twenty-eight".