30134566661 has 4 divisors (see below), whose sum is σ = 30135250272. Its totient is φ = 30133883052.

The previous prime is 30134566633. The next prime is 30134566699. The reversal of 30134566661 is 16666543103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16666543103 = 7 ⋅2380934729.

It is a cyclic number.

It is not a de Polignac number, because 30134566661 - 2⁶ = 30134566597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30134566361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270761 + ... + 365486.

It is an arithmetic number, because the mean of its divisors is an integer number (7533812568).

Almost surely, 2^30134566661 is an apocalyptic number.

It is an amenable number.

30134566661 is a deficient number, since it is larger than the sum of its proper divisors (683611).

30134566661 is an equidigital number, since it uses as much as digits as its factorization.

30134566661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683610.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 30134566661 in words is "thirty billion, one hundred thirty-four million, five hundred sixty-six thousand, six hundred sixty-one".