20116164005437 has 8 divisors (see below), whose sum is σ = 20450891630592. Its totient is φ = 19781596201200.

The previous prime is 20116164005309. The next prime is 20116164005447. The reversal of 20116164005437 is 73450046161102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20116164005437 - 2⁷ = 20116164005309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20116164005437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20116164005447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39701389 + ... + 40204882.

It is an arithmetic number, because the mean of its divisors is an integer number (2556361453824).

Almost surely, 2^{20116164005437} is an apocalyptic number.

It is an amenable number.

20116164005437 is a deficient number, since it is larger than the sum of its proper divisors (334727625155).

20116164005437 is an equidigital number, since it uses as much as digits as its factorization.

20116164005437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79910459.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 20116164005437 in words is "twenty trillion, one hundred sixteen billion, one hundred sixty-four million, five thousand, four hundred thirty-seven".