16106112640 has 128 divisors (see below), whose sum is σ = 39699460800. Its totient is φ = 6245425152.

The previous prime is 16106112611. The next prime is 16106112653. The reversal of 16106112640 is 4621160161.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 16106112599 and 16106112608.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2753559 + ... + 2759401.

Almost surely, 2^16106112640 is an apocalyptic number.

16106112640 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 16106112640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19849730400).

16106112640 is an abundant number, since it is smaller than the sum of its proper divisors (23593348160).

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

16106112640 is an equidigital number, since it uses as much as digits as its factorization.

16106112640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5994 (or 5982 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 16106112640 in words is "sixteen billion, one hundred six million, one hundred twelve thousand, six hundred forty".