30646144067 has 16 divisors (see below), whose sum is σ = 38509043712. Its totient is φ = 23692072320.

The previous prime is 30646144019. The next prime is 30646144073. The reversal of 30646144067 is 76044164603.

It is not a de Polignac number, because 30646144067 - 2⁶ = 30646144003 is a prime.

It is a super-2 number, since 2×30646144067² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30646144097) 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, 1557158 + ... + 1576715.

It is an arithmetic number, because the mean of its divisors is an integer number (2406815232).

Almost surely, 2^30646144067 is an apocalyptic number.

30646144067 is a deficient number, since it is larger than the sum of its proper divisors (7862899645).

30646144067 is a wasteful number, since it uses less digits than its factorization.

30646144067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134018.

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 30646144067 in words is "thirty billion, six hundred forty-six million, one hundred forty-four thousand, sixty-seven".