681010148 has 24 divisors (see below), whose sum is σ = 1466791872. Its totient is φ = 269410464.

The previous prime is 681010133. The next prime is 681010153. The reversal of 681010148 is 841010186.

681010148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 681010148.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 935090 + ... + 935817.

It is an arithmetic number, because the mean of its divisors is an integer number (61116328).

Almost surely, 2^681010148 is an apocalyptic number.

It is an amenable number.

681010148 is an abundant number, since it is smaller than the sum of its proper divisors (785781724).

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

681010148 is a wasteful number, since it uses less digits than its factorization.

681010148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870931 (or 1870929 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 681010148 is about 26096.1711367779. The cubic root of 681010148 is about 879.8011551413.

The spelling of 681010148 in words is "six hundred eighty-one million, ten thousand, one hundred forty-eight".