75225756066 has 32 divisors (see below), whose sum is σ = 152736869376. Its totient is φ = 24696960000.

The previous prime is 75225756049. The next prime is 75225756079. The reversal of 75225756066 is 66065752257.

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, 209215 + ... + 440706.

It is an arithmetic number, because the mean of its divisors is an integer number (4773027168).

Almost surely, 2^75225756066 is an apocalyptic number.

75225756066 is an abundant number, since it is smaller than the sum of its proper divisors (77511113310).

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

75225756066 is a wasteful number, since it uses less digits than its factorization.

75225756066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650218.

The product of its (nonzero) digits is 5292000, while the sum is 51.

The spelling of 75225756066 in words is "seventy-five billion, two hundred twenty-five million, seven hundred fifty-six thousand, sixty-six".