75159090751666 has 16 divisors (see below), whose sum is σ = 112783387284000. Its totient is φ = 37564631136288.

The previous prime is 75159090751583. The next prime is 75159090751673. The reversal of 75159090751666 is 66615709095157.

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, 53154841 + ... + 54550483.

It is an arithmetic number, because the mean of its divisors is an integer number (7048961705250).

Almost surely, 2^{75159090751666} is an apocalyptic number.

75159090751666 is a deficient number, since it is larger than the sum of its proper divisors (37624296532334).

75159090751666 is a wasteful number, since it uses less digits than its factorization.

75159090751666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406313.

The product of its (nonzero) digits is 107163000, while the sum is 67.

The spelling of 75159090751666 in words is "seventy-five trillion, one hundred fifty-nine billion, ninety million, seven hundred fifty-one thousand, six hundred sixty-six".