30090664081 has 8 divisors (see below), whose sum is σ = 30135853440. Its totient is φ = 30045505728.

The previous prime is 30090664049. The next prime is 30090664111. The reversal of 30090664081 is 18046609003.

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 30090664081 - 2⁵ = 30090664049 is a prime.

It is a super-2 number, since 2×30090664081² (a number of 22 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 30090664081.

It is not an unprimeable number, because it can be changed into a prime (30090664031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2516940 + ... + 2528866.

It is an arithmetic number, because the mean of its divisors is an integer number (3766981680).

Almost surely, 2^30090664081 is an apocalyptic number.

It is an amenable number.

30090664081 is a deficient number, since it is larger than the sum of its proper divisors (45189359).

30090664081 is a wasteful number, since it uses less digits than its factorization.

30090664081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15503.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 30090664081 in words is "thirty billion, ninety million, six hundred sixty-four thousand, eighty-one".