16125863103 has 48 divisors (see below), whose sum is σ = 29253312000. Its totient is φ = 8729776944.

The previous prime is 16125863101. The next prime is 16125863113. The reversal of 16125863103 is 30136852161.

16125863103 is a `hidden beast` number, since 1 + 6 + 12 + 5 + 8 + 631 + 0 + 3 = 666.

It is not a de Polignac number, because 16125863103 - 2¹ = 16125863101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16125863101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 295623 + ... + 345896.

It is an arithmetic number, because the mean of its divisors is an integer number (609444000).

Almost surely, 2^16125863103 is an apocalyptic number.

16125863103 is a deficient number, since it is larger than the sum of its proper divisors (13127448897).

16125863103 is a wasteful number, since it uses less digits than its factorization.

16125863103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641561 (or 641548 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 16125863103 in words is "sixteen billion, one hundred twenty-five million, eight hundred sixty-three thousand, one hundred three".