90174330451666 has 16 divisors (see below), whose sum is σ = 136628329150080. Its totient is φ = 44633387514400.

The previous prime is 90174330451627. The next prime is 90174330451693. The reversal of 90174330451666 is 66615403347109.

It is a super-3 number, since 3×90174330451666³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458262910 + ... + 458459641.

It is an arithmetic number, because the mean of its divisors is an integer number (8539270571880).

Almost surely, 2^{90174330451666} is an apocalyptic number.

90174330451666 is a deficient number, since it is larger than the sum of its proper divisors (46453998698414).

90174330451666 is a wasteful number, since it uses less digits than its factorization.

90174330451666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916723049.

The product of its (nonzero) digits is 9797760, while the sum is 55.

The spelling of 90174330451666 in words is "ninety trillion, one hundred seventy-four billion, three hundred thirty million, four hundred fifty-one thousand, six hundred sixty-six".