90170421675711 has 8 divisors (see below), whose sum is σ = 129475477278000. Its totient is φ = 55489490261952.

The previous prime is 90170421675683. The next prime is 90170421675743. The reversal of 90170421675711 is 11757612407109.

It is a happy number.

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

It is not a de Polignac number, because 90170421675711 - 2⁷ = 90170421675583 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90170421670711) 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, 1156031047086 + ... + 1156031047163.

It is an arithmetic number, because the mean of its divisors is an integer number (16184434659750).

Almost surely, 2^{90170421675711} is an apocalyptic number.

90170421675711 is a deficient number, since it is larger than the sum of its proper divisors (39305055602289).

90170421675711 is a wasteful number, since it uses less digits than its factorization.

90170421675711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312062094265.

The product of its (nonzero) digits is 740880, while the sum is 51.

The spelling of 90170421675711 in words is "ninety trillion, one hundred seventy billion, four hundred twenty-one million, six hundred seventy-five thousand, seven hundred eleven".