160116516421 has 12 divisors (see below), whose sum is σ = 170414550592. Its totient is φ = 150409614528.

The previous prime is 160116516389. The next prime is 160116516437. The reversal of 160116516421 is 124615611061.

It is not a de Polignac number, because 160116516421 - 2⁵ = 160116516389 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 (160116516491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 378525 + ... + 680818.

Almost surely, 2^160116516421 is an apocalyptic number.

It is an amenable number.

160116516421 is a deficient number, since it is larger than the sum of its proper divisors (10298034171).

160116516421 is a wasteful number, since it uses less digits than its factorization.

160116516421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059900 (or 1059883 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The spelling of 160116516421 in words is "one hundred sixty billion, one hundred sixteen million, five hundred sixteen thousand, four hundred twenty-one".