1682108388 has 18 divisors (see below), whose sum is σ = 4251996294. Its totient is φ = 560702784.

The previous prime is 1682108387. The next prime is 1682108411. The reversal of 1682108388 is 8838012861.

1682108388 is a `hidden beast` number, since 168 + 2 + 108 + 388 = 666.

1682108388 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1680836004 + 1272384 = 40998^2 + 1128^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (1682108387) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23362581 + ... + 23362652.

Almost surely, 2^1682108388 is an apocalyptic number.

1682108388 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1682108388 is an abundant number, since it is smaller than the sum of its proper divisors (2569887906).

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

1682108388 is a wasteful number, since it uses less digits than its factorization.

1682108388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46725243 (or 46725238 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The square root of 1682108388 is about 41013.5146994256. The cubic root of 1682108388 is about 1189.2814879656.

The spelling of 1682108388 in words is "one billion, six hundred eighty-two million, one hundred eight thousand, three hundred eighty-eight".