90466166725891 has 8 divisors (see below), whose sum is σ = 98690489150400. Its totient is φ = 82241865209640.

The previous prime is 90466166725867. The next prime is 90466166725943. The reversal of 90466166725891 is 19852766166409.

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

It is a cyclic number.

It is not a de Polignac number, because 90466166725891 - 2¹³ = 90466166717699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90466166725891.

It is not an unprimeable number, because it can be changed into a prime (90466166726891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4627740 + ... + 14224918.

It is an arithmetic number, because the mean of its divisors is an integer number (12336311143800).

Almost surely, 2^{90466166725891} is an apocalyptic number.

90466166725891 is a deficient number, since it is larger than the sum of its proper divisors (8224322424509).

90466166725891 is a wasteful number, since it uses less digits than its factorization.

90466166725891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10454129.

The product of its (nonzero) digits is 235146240, while the sum is 70.

The spelling of 90466166725891 in words is "ninety trillion, four hundred sixty-six billion, one hundred sixty-six million, seven hundred twenty-five thousand, eight hundred ninety-one".