30661562044623 has 16 divisors (see below), whose sum is σ = 41063643855360. Its totient is φ = 20350267219776.

The previous prime is 30661562044613. The next prime is 30661562044667. The reversal of 30661562044623 is 32644026516603.

It is not a de Polignac number, because 30661562044623 - 2¹⁴ = 30661562028239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30661562044613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18660411 + ... + 20236947.

It is an arithmetic number, because the mean of its divisors is an integer number (2566477740960).

Almost surely, 2^{30661562044623} is an apocalyptic number.

30661562044623 is a deficient number, since it is larger than the sum of its proper divisors (10402081810737).

30661562044623 is a wasteful number, since it uses less digits than its factorization.

30661562044623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605326.

The product of its (nonzero) digits is 3732480, while the sum is 48.

The spelling of 30661562044623 in words is "thirty trillion, six hundred sixty-one billion, five hundred sixty-two million, forty-four thousand, six hundred twenty-three".