681276150 has 192 divisors, whose sum is σ = 1973207040. Its totient is φ = 172627200.

The previous prime is 681276137. The next prime is 681276191. The reversal of 681276150 is 51672186.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 3054939 + ... + 3055161.

It is an arithmetic number, because the mean of its divisors is an integer number (10277120).

Almost surely, 2^681276150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 681276150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (986603520).

681276150 is an abundant number, since it is smaller than the sum of its proper divisors (1291930890).

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

681276150 is a wasteful number, since it uses less digits than its factorization.

681276150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 681276150 is about 26101.2672106164. The cubic root of 681276150 is about 879.9156900977.

The spelling of 681276150 in words is "six hundred eighty-one million, two hundred seventy-six thousand, one hundred fifty".