16869420157 has 8 divisors (see below), whose sum is σ = 17113203072. Its totient is φ = 16625809200.

The previous prime is 16869420149. The next prime is 16869420163. The reversal of 16869420157 is 75102496861.

It is a happy number.

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 16869420157 - 2³ = 16869420149 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 16869420157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16869420107) 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, 161608 + ... + 244654.

It is an arithmetic number, because the mean of its divisors is an integer number (2139150384).

Almost surely, 2^16869420157 is an apocalyptic number.

It is an amenable number.

16869420157 is a deficient number, since it is larger than the sum of its proper divisors (243782915).

16869420157 is an equidigital number, since it uses as much as digits as its factorization.

16869420157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85979.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 16869420157 in words is "sixteen billion, eight hundred sixty-nine million, four hundred twenty thousand, one hundred fifty-seven".