90166101 has 8 divisors (see below), whose sum is σ = 122259360. Its totient is φ = 59091792.

The previous prime is 90166099. The next prime is 90166123. The reversal of 90166101 is 10166109.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90166101 - 2¹ = 90166099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90166171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254530 + ... + 254883.

It is an arithmetic number, because the mean of its divisors is an integer number (15282420).

Almost surely, 2^90166101 is an apocalyptic number.

It is an amenable number.

90166101 is a deficient number, since it is larger than the sum of its proper divisors (32093259).

90166101 is a wasteful number, since it uses less digits than its factorization.

90166101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509475.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 90166101 is about 9495.5832364316. The cubic root of 90166101 is about 448.4159962680.

The spelling of 90166101 in words is "ninety million, one hundred sixty-six thousand, one hundred one".