16170135040 has 80 divisors (see below), whose sum is σ = 38966479200. Its totient is φ = 6435348480.

The previous prime is 16170135013. The next prime is 16170135053. The reversal of 16170135040 is 4053107161.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×16170135040² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493570 + ... + 525310.

It is an arithmetic number, because the mean of its divisors is an integer number (487080990).

Almost surely, 2^16170135040 is an apocalyptic number.

16170135040 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 16170135040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19483239600).

16170135040 is an abundant number, since it is smaller than the sum of its proper divisors (22796344160).

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

16170135040 is an equidigital number, since it uses as much as digits as its factorization.

16170135040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31963 (or 31947 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 16170135040 in words is "sixteen billion, one hundred seventy million, one hundred thirty-five thousand, forty".