16120690432 has 432 divisors, whose sum is σ = 44425898496. Its totient is φ = 5656780800.

The previous prime is 16120690427. The next prime is 16120690489. The reversal of 16120690432 is 23409602161.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 435694318 + ... + 435694354.

It is an arithmetic number, because the mean of its divisors is an integer number (102837728).

Almost surely, 2^16120690432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16120690432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22212949248).

16120690432 is an abundant number, since it is smaller than the sum of its proper divisors (28305208064).

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

16120690432 is a wasteful number, since it uses less digits than its factorization.

16120690432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 16120690432 in words is "sixteen billion, one hundred twenty million, six hundred ninety thousand, four hundred thirty-two".