16289616157 has 4 divisors (see below), whose sum is σ = 16341994656. Its totient is φ = 16237237660.

The previous prime is 16289616131. The next prime is 16289616193. The reversal of 16289616157 is 75161698261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75161698261 = 13 ⋅5781669097.

It is a cyclic number.

It is not a de Polignac number, because 16289616157 - 2¹⁵ = 16289583389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16289616457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26188783 + ... + 26189404.

It is an arithmetic number, because the mean of its divisors is an integer number (4085498664).

Almost surely, 2^16289616157 is an apocalyptic number.

It is an amenable number.

16289616157 is a deficient number, since it is larger than the sum of its proper divisors (52378499).

16289616157 is an equidigital number, since it uses as much as digits as its factorization.

16289616157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52378498.

The product of its digits is 1088640, while the sum is 52.

The spelling of 16289616157 in words is "sixteen billion, two hundred eighty-nine million, six hundred sixteen thousand, one hundred fifty-seven".