16439200992 has 192 divisors, whose sum is σ = 48548808000. Its totient is φ = 5411543040.

The previous prime is 16439200963. The next prime is 16439201011. The reversal of 16439200992 is 29900293461.

It is a happy number.

16439200992 is a `hidden beast` number, since 1 + 6 + 439 + 200 + 9 + 9 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35659642 + ... + 35660102.

It is an arithmetic number, because the mean of its divisors is an integer number (252858375).

Almost surely, 2^16439200992 is an apocalyptic number.

16439200992 is a gapful number since it is divisible by the number (12) 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 16439200992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24274404000).

16439200992 is an abundant number, since it is smaller than the sum of its proper divisors (32109607008).

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

16439200992 is a wasteful number, since it uses less digits than its factorization.

16439200992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906 (or 892 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 16439200992 in words is "sixteen billion, four hundred thirty-nine million, two hundred thousand, nine hundred ninety-two".