16440620160 has 128 divisors (see below), whose sum is σ = 52698340800. Its totient is φ = 4359581696.

The previous prime is 16440620153. The next prime is 16440620167. The reversal of 16440620160 is 6102604461.

It is an interprime number because it is at equal distance from previous prime (16440620153) and next prime (16440620167).

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

It is a super-3 number, since 3×16440620160³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (16440620167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319762 + ... + 367598.

Almost surely, 2^16440620160 is an apocalyptic number.

16440620160 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 16440620160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26349170400).

16440620160 is an abundant number, since it is smaller than the sum of its proper divisors (36257720640).

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

16440620160 is a wasteful number, since it uses less digits than its factorization.

16440620160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48038 (or 48026 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 16440620160 in words is "sixteen billion, four hundred forty million, six hundred twenty thousand, one hundred sixty".