30790665196990 has 32 divisors (see below), whose sum is σ = 55550183310720. Its totient is φ = 12288073827744.

The previous prime is 30790665196987. The next prime is 30790665196999. The reversal of 30790665196990 is 9969156609703.

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30790665196999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7502677 + ... + 10856863.

It is an arithmetic number, because the mean of its divisors is an integer number (1735943228460).

Almost surely, 2^{30790665196990} is an apocalyptic number.

30790665196990 is a deficient number, since it is larger than the sum of its proper divisors (24759518113730).

30790665196990 is a wasteful number, since it uses less digits than its factorization.

30790665196990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3356296.

The product of its (nonzero) digits is 148803480, while the sum is 70.

The spelling of 30790665196990 in words is "thirty trillion, seven hundred ninety billion, six hundred sixty-five million, one hundred ninety-six thousand, nine hundred ninety".