18530030264261 has 8 divisors (see below), whose sum is σ = 18658285545984. Its totient is φ = 18401904471600.

The previous prime is 18530030264159. The next prime is 18530030264287. The reversal of 18530030264261 is 16246203003581.

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 18530030264261 - 2¹⁸ = 18530030002117 is a prime.

It is a super-2 number, since 2×18530030264261² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18530030264561) 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, 32085065 + ... + 32657486.

It is an arithmetic number, because the mean of its divisors is an integer number (2332285693248).

Almost surely, 2^{18530030264261} is an apocalyptic number.

It is an amenable number.

18530030264261 is a deficient number, since it is larger than the sum of its proper divisors (128255281723).

18530030264261 is a wasteful number, since it uses less digits than its factorization.

18530030264261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64744531.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 18530030264261 in words is "eighteen trillion, five hundred thirty billion, thirty million, two hundred sixty-four thousand, two hundred sixty-one".