16995428411850 has 960 divisors, whose sum is σ = 58116210324480. Its totient is φ = 3594415564800.

The previous prime is 16995428411821. The next prime is 16995428411911. The reversal of 16995428411850 is 5811482459961.

16995428411850 is a `hidden beast` number, since 1 + 6 + 9 + 9 + 542 + 8 + 4 + 1 + 1 + 85 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 7168041165 + ... + 7168043535.

It is an arithmetic number, because the mean of its divisors is an integer number (60537719088).

Almost surely, 2^{16995428411850} is an apocalyptic number.

16995428411850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16995428411850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29058105162240).

16995428411850 is an abundant number, since it is smaller than the sum of its proper divisors (41120781912630).

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

16995428411850 is a wasteful number, since it uses less digits than its factorization.

16995428411850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665 (or 2651 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 63.

The spelling of 16995428411850 in words is "sixteen trillion, nine hundred ninety-five billion, four hundred twenty-eight million, four hundred eleven thousand, eight hundred fifty".