20467167652616 has 16 divisors (see below), whose sum is σ = 38377182998700. Its totient is φ = 10233252186304.

The previous prime is 20467167652609. The next prime is 20467167652661. The reversal of 20467167652616 is 61625676176402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20446042192900 + 21125459716 = 4521730^2 + 145346^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 41192615 + ... + 41686518.

Almost surely, 2^{20467167652616} is an apocalyptic number.

It is an amenable number.

20467167652616 is a deficient number, since it is larger than the sum of its proper divisors (17910015346084).

20467167652616 is a wasteful number, since it uses less digits than its factorization.

20467167652616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82910008 (or 82910004 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 59.

The spelling of 20467167652616 in words is "twenty trillion, four hundred sixty-seven billion, one hundred sixty-seven million, six hundred fifty-two thousand, six hundred sixteen".