161616151016103 has 24 divisors (see below), whose sum is σ = 251001084682992. Its totient is φ = 92230088759424.

The previous prime is 161616151016081. The next prime is 161616151016113. The reversal of 161616151016103 is 301610151616161.

It is not a de Polignac number, because 161616151016103 - 2¹⁰ = 161616151015079 is a prime.

It is a super-2 number, since 2×161616151016103² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161616151016113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 726064150 + ... + 726286707.

It is an arithmetic number, because the mean of its divisors is an integer number (10458378528458).

Almost surely, 2^{161616151016103} is an apocalyptic number.

161616151016103 is a deficient number, since it is larger than the sum of its proper divisors (89384933666889).

161616151016103 is a wasteful number, since it uses less digits than its factorization.

161616151016103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452351631 (or 1452351624 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 39.

The spelling of 161616151016103 in words is "one hundred sixty-one trillion, six hundred sixteen billion, one hundred fifty-one million, sixteen thousand, one hundred three".