90662343643 has 8 divisors (see below), whose sum is σ = 95843638800. Its totient is φ = 85522007808.

The previous prime is 90662343631. The next prime is 90662343647. The reversal of 90662343643 is 34634326609.

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 90662343643 - 2⁹ = 90662343131 is a prime.

It is a super-2 number, since 2×90662343643² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90662343593 and 90662343602.

It is not an unprimeable number, because it can be changed into a prime (90662343647) 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, 10235278 + ... + 10244131.

It is an arithmetic number, because the mean of its divisors is an integer number (11980454850).

Almost surely, 2^90662343643 is an apocalyptic number.

90662343643 is a deficient number, since it is larger than the sum of its proper divisors (5181295157).

90662343643 is a wasteful number, since it uses less digits than its factorization.

90662343643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20479661.

The product of its (nonzero) digits is 1679616, while the sum is 46.

The spelling of 90662343643 in words is "ninety billion, six hundred sixty-two million, three hundred forty-three thousand, six hundred forty-three".