16700003350520 has 128 divisors (see below), whose sum is σ = 43911072777600. Its totient is φ = 5597401245696.

The previous prime is 16700003350501. The next prime is 16700003350523. The reversal of 16700003350520 is 2505330000761.

It is a super-2 number, since 2×16700003350520² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16700003350523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2079386 + ... + 6141974.

It is an arithmetic number, because the mean of its divisors is an integer number (343055256075).

Almost surely, 2^{16700003350520} is an apocalyptic number.

16700003350520 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 16700003350520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21955536388800).

16700003350520 is an abundant number, since it is smaller than the sum of its proper divisors (27211069427080).

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

16700003350520 is a wasteful number, since it uses less digits than its factorization.

16700003350520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4062937 (or 4062933 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 32.

The spelling of 16700003350520 in words is "sixteen trillion, seven hundred billion, three million, three hundred fifty thousand, five hundred twenty".