16061939124 has 144 divisors (see below), whose sum is σ = 48666917376. Its totient is φ = 4074840000.

The previous prime is 16061939093. The next prime is 16061939147. The reversal of 16061939124 is 42193916061.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 249249 + ... + 306999.

It is an arithmetic number, because the mean of its divisors is an integer number (337964704).

Almost surely, 2^16061939124 is an apocalyptic number.

16061939124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16061939124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24333458688).

16061939124 is an abundant number, since it is smaller than the sum of its proper divisors (32604978252).

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

16061939124 is a wasteful number, since it uses less digits than its factorization.

16061939124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57826 (or 57817 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The spelling of 16061939124 in words is "sixteen billion, sixty-one million, nine hundred thirty-nine thousand, one hundred twenty-four".