16357887157 has 4 divisors (see below), whose sum is σ = 16377667776. Its totient is φ = 16338106540.

The previous prime is 16357887121. The next prime is 16357887173. The reversal of 16357887157 is 75178875361.

16357887157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16357887157 is a prime.

It is a super-2 number, since 2×16357887157² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16357887197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9889069 + ... + 9890722.

It is an arithmetic number, because the mean of its divisors is an integer number (4094416944).

Almost surely, 2^16357887157 is an apocalyptic number.

It is an amenable number.

16357887157 is a deficient number, since it is larger than the sum of its proper divisors (19780619).

16357887157 is an equidigital number, since it uses as much as digits as its factorization.

16357887157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19780618.

The product of its digits is 9878400, while the sum is 58.

The spelling of 16357887157 in words is "sixteen billion, three hundred fifty-seven million, eight hundred eighty-seven thousand, one hundred fifty-seven".