16661124117059 has 8 divisors (see below), whose sum is σ = 16810480470000. Its totient is φ = 16512189080832.

The previous prime is 16661124117047. The next prime is 16661124117101. The reversal of 16661124117059 is 95071142116661.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16661124117059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16661124116998 and 16661124117016.

It is not an unprimeable number, because it can be changed into a prime (16661124113059) 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, 105249734 + ... + 105407915.

It is an arithmetic number, because the mean of its divisors is an integer number (2101310058750).

Almost surely, 2^{16661124117059} is an apocalyptic number.

16661124117059 is a deficient number, since it is larger than the sum of its proper divisors (149356352941).

16661124117059 is a wasteful number, since it uses less digits than its factorization.

16661124117059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210658357.

The product of its (nonzero) digits is 544320, while the sum is 50.

The spelling of 16661124117059 in words is "sixteen trillion, six hundred sixty-one billion, one hundred twenty-four million, one hundred seventeen thousand, fifty-nine".