16106510994 has 128 divisors (see below), whose sum is σ = 38344704000. Its totient is φ = 4507513920.

The previous prime is 16106510977. The next prime is 16106511019. The reversal of 16106510994 is 49901560161.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25525059 + ... + 25525689.

It is an arithmetic number, because the mean of its divisors is an integer number (299568000).

Almost surely, 2^16106510994 is an apocalyptic number.

16106510994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16106510994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19172352000).

16106510994 is an abundant number, since it is smaller than the sum of its proper divisors (22238193006).

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

16106510994 is a wasteful number, since it uses less digits than its factorization.

16106510994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893 (or 879 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 42.

The spelling of 16106510994 in words is "sixteen billion, one hundred six million, five hundred ten thousand, nine hundred ninety-four".