90466166725961 has 4 divisors (see below), whose sum is σ = 97425102627972. Its totient is φ = 83507230823952.

The previous prime is 90466166725943. The next prime is 90466166725981. The reversal of 90466166725961 is 16952766166409.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10507607503936 + 79958559222025 = 3241544^2 + 8941955^2 .

It is not a de Polignac number, because 90466166725961 - 2¹⁸ = 90466166463817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 90466166725891 and 90466166725900.

It is not an unprimeable number, because it can be changed into a prime (90466166725981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3479467950986 + ... + 3479467951011.

It is an arithmetic number, because the mean of its divisors is an integer number (24356275656993).

Almost surely, 2^{90466166725961} is an apocalyptic number.

It is an amenable number.

90466166725961 is a deficient number, since it is larger than the sum of its proper divisors (6958935902011).

90466166725961 is a wasteful number, since it uses less digits than its factorization.

90466166725961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6958935902010.

The product of its (nonzero) digits is 176359680, while the sum is 68.

The spelling of 90466166725961 in words is "ninety trillion, four hundred sixty-six billion, one hundred sixty-six million, seven hundred twenty-five thousand, nine hundred sixty-one".