90066651005 has 8 divisors (see below), whose sum is σ = 108083818752. Its totient is φ = 72050762448.

The previous prime is 90066651001. The next prime is 90066651011. The reversal of 90066651005 is 50015666009.

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 90066651005 - 2² = 90066651001 is a prime.

It is a super-2 number, since 2×90066651005² (a number of 23 digits) contains 22 as substring.

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 90066651005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90066651001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157397 + ... + 452666.

It is an arithmetic number, because the mean of its divisors is an integer number (13510477344).

Almost surely, 2^90066651005 is an apocalyptic number.

It is an amenable number.

90066651005 is a deficient number, since it is larger than the sum of its proper divisors (18017167747).

90066651005 is a wasteful number, since it uses less digits than its factorization.

90066651005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639595.

The product of its (nonzero) digits is 48600, while the sum is 38.

The spelling of 90066651005 in words is "ninety billion, sixty-six million, six hundred fifty-one thousand, five".