16061835840 has 168 divisors, whose sum is σ = 51740287680. Its totient is φ = 4221557760.

The previous prime is 16061835833. The next prime is 16061835869. The reversal of 16061835840 is 4853816061.

It is a super-2 number, since 2×16061835840² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16061835792 and 16061835801.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4837701 + ... + 4841019.

Almost surely, 2^16061835840 is an apocalyptic number.

16061835840 is a gapful number since it is divisible by the number (10) 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 16061835840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25870143840).

16061835840 is an abundant number, since it is smaller than the sum of its proper divisors (35678451840).

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

16061835840 is an equidigital number, since it uses as much as digits as its factorization.

16061835840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481 (or 3400 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 16061835840 in words is "sixteen billion, sixty-one million, eight hundred thirty-five thousand, eight hundred forty".