2148692208 has 80 divisors (see below), whose sum is σ = 6079194240. Its totient is φ = 649919232.

The previous prime is 2148692191. The next prime is 2148692251. The reversal of 2148692208 is 8022968412.

It is a self number, because there is not a number n which added to its sum of digits gives 2148692208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7635 + ... + 65997.

It is an arithmetic number, because the mean of its divisors is an integer number (75989928).

Almost surely, 2^2148692208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2148692208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3039597120).

2148692208 is an abundant number, since it is smaller than the sum of its proper divisors (3930502032).

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

2148692208 is a wasteful number, since it uses less digits than its factorization.

2148692208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58446 (or 58440 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 2148692208 is about 46353.9880484948. The cubic root of 2148692208 is about 1290.4011347910.

The spelling of 2148692208 in words is "two billion, one hundred forty-eight million, six hundred ninety-two thousand, two hundred eight".