30507746182216 has 8 divisors (see below), whose sum is σ = 57202024091670. Its totient is φ = 15253873091104.

The previous prime is 30507746182213. The next prime is 30507746182231. The reversal of 30507746182216 is 61228164770503.

It can be written as a sum of positive squares in only one way, i.e., 15331688424900 + 15176057757316 = 3915570^2 + 3895646^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (30507746182213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1906734136381 + ... + 1906734136396.

Almost surely, 2^{30507746182216} is an apocalyptic number.

It is an amenable number.

30507746182216 is a deficient number, since it is larger than the sum of its proper divisors (26694277909454).

30507746182216 is a wasteful number, since it uses less digits than its factorization.

30507746182216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813468272783 (or 3813468272779 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 30507746182216 in words is "thirty trillion, five hundred seven billion, seven hundred forty-six million, one hundred eighty-two thousand, two hundred sixteen".