6501120750 has 320 divisors, whose sum is σ = 19520804160. Its totient is φ = 1609632000.

The previous prime is 6501120749. The next prime is 6501120757. The reversal of 6501120750 is 570211056.

6501120750 is a `hidden beast` number, since 650 + 1 + 1 + 2 + 0 + 7 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6501120757) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 23469612 + ... + 23469888.

It is an arithmetic number, because the mean of its divisors is an integer number (61002513).

Almost surely, 2^6501120750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6501120750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9760402080).

6501120750 is an abundant number, since it is smaller than the sum of its proper divisors (13019683410).

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

6501120750 is a wasteful number, since it uses less digits than its factorization.

6501120750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 6501120750 is about 80629.5277798401. The cubic root of 6501120750 is about 1866.3628340875.

The spelling of 6501120750 in words is "six billion, five hundred one million, one hundred twenty thousand, seven hundred fifty".