16123067898 has 48 divisors (see below), whose sum is σ = 37569230784. Its totient is φ = 4599416640.

The previous prime is 16123067897. The next prime is 16123067951. The reversal of 16123067898 is 89876032161.

It is a self number, because there is not a number n which added to its sum of digits gives 16123067898.

It is not an unprimeable number, because it can be changed into a prime (16123067897) 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, 147838 + ... + 232598.

It is an arithmetic number, because the mean of its divisors is an integer number (782692308).

Almost surely, 2^16123067898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16123067898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18784615392).

16123067898 is an abundant number, since it is smaller than the sum of its proper divisors (21446162886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16123067898 is a wasteful number, since it uses less digits than its factorization.

16123067898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85427 (or 85420 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 16123067898 in words is "sixteen billion, one hundred twenty-three million, sixty-seven thousand, eight hundred ninety-eight".