75501151666 has 16 divisors (see below), whose sum is σ = 114170871168. Its totient is φ = 37445208400.

The previous prime is 75501151657. The next prime is 75501151697. The reversal of 75501151666 is 66615110557.

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, 104020 + ... + 402271.

It is an arithmetic number, because the mean of its divisors is an integer number (7135679448).

Almost surely, 2^75501151666 is an apocalyptic number.

75501151666 is a deficient number, since it is larger than the sum of its proper divisors (38669719502).

75501151666 is a wasteful number, since it uses less digits than its factorization.

75501151666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506897.

The product of its (nonzero) digits is 189000, while the sum is 43.

The spelling of 75501151666 in words is "seventy-five billion, five hundred one million, one hundred fifty-one thousand, six hundred sixty-six".