30105671663 has 4 divisors (see below), whose sum is σ = 30125757000. Its totient is φ = 30085586328.

The previous prime is 30105671647. The next prime is 30105671737. The reversal of 30105671663 is 36617650103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30105671663 - 2⁴ = 30105671647 is a prime.

It is a super-2 number, since 2×30105671663² (a number of 22 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 (30105671633) 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, 10040420 + ... + 10043417.

It is an arithmetic number, because the mean of its divisors is an integer number (7531439250).

Almost surely, 2^30105671663 is an apocalyptic number.

30105671663 is a deficient number, since it is larger than the sum of its proper divisors (20085337).

30105671663 is a wasteful number, since it uses less digits than its factorization.

30105671663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20085336.

The product of its (nonzero) digits is 68040, while the sum is 38.

The spelling of 30105671663 in words is "thirty billion, one hundred five million, six hundred seventy-one thousand, six hundred sixty-three".