651081096 has 96 divisors (see below), whose sum is σ = 1927411200. Its totient is φ = 197660160.

The previous prime is 651081091. The next prime is 651081139. The reversal of 651081096 is 690180156.

651081096 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×651081096² = 847813187137122432, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 651081096.

It is not an unprimeable number, because it can be changed into a prime (651081091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29365 + ... + 46523.

It is an arithmetic number, because the mean of its divisors is an integer number (20077200).

Almost surely, 2^651081096 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 651081096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (963705600).

651081096 is an abundant number, since it is smaller than the sum of its proper divisors (1276330104).

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

651081096 is a wasteful number, since it uses less digits than its factorization.

651081096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17219 (or 17212 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 651081096 is about 25516.2907962737. The cubic root of 651081096 is about 866.7190893997.

The spelling of 651081096 in words is "six hundred fifty-one million, eighty-one thousand, ninety-six".