16113406157 has 4 divisors (see below), whose sum is σ = 17061253596. Its totient is φ = 15165558720.

The previous prime is 16113406147. The next prime is 16113406159. The reversal of 16113406157 is 75160431161.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7205632996 + 8907773161 = 84886^2 + 94381^2 .

It is a cyclic number.

It is not a de Polignac number, because 16113406157 - 2³⁰ = 15039664333 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 (16113406159) 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, 473923694 + ... + 473923727.

It is an arithmetic number, because the mean of its divisors is an integer number (4265313399).

Almost surely, 2^16113406157 is an apocalyptic number.

16113406157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16113406157 is a deficient number, since it is larger than the sum of its proper divisors (947847439).

16113406157 is an equidigital number, since it uses as much as digits as its factorization.

16113406157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947847438.

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 16113406157 in words is "sixteen billion, one hundred thirteen million, four hundred six thousand, one hundred fifty-seven".