30045256661 has 8 divisors (see below), whose sum is σ = 35830368384. Its totient is φ = 24633378000.

The previous prime is 30045256607. The next prime is 30045256667. The reversal of 30045256661 is 16665254003.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30045256661 - 2²² = 30041062357 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 (30045256667) 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, 93308090 + ... + 93308411.

It is an arithmetic number, because the mean of its divisors is an integer number (4478796048).

Almost surely, 2^30045256661 is an apocalyptic number.

It is an amenable number.

30045256661 is a deficient number, since it is larger than the sum of its proper divisors (5785111723).

30045256661 is a wasteful number, since it uses less digits than its factorization.

30045256661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186616531.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 30045256661 in words is "thirty billion, forty-five million, two hundred fifty-six thousand, six hundred sixty-one".