16407207144 has 96 divisors (see below), whose sum is σ = 48197789640. Its totient is φ = 5021798400.

The previous prime is 16407207143. The next prime is 16407207169. The reversal of 16407207144 is 44170270461.

It is a happy number.

16407207144 is a `hidden beast` number, since 1 + 6 + 407 + 207 + 1 + 44 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 15841243044 + 565964100 = 125862^2 + 23790^2 .

It is a super-2 number, since 2×16407207144² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 16407207099 and 16407207108.

It is not an unprimeable number, because it can be changed into a prime (16407207143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113287 + ... + 213654.

Almost surely, 2^16407207144 is an apocalyptic number.

It is an amenable number.

16407207144 is an abundant number, since it is smaller than the sum of its proper divisors (31790582496).

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

16407207144 is a wasteful number, since it uses less digits than its factorization.

16407207144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327011 (or 327004 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The spelling of 16407207144 in words is "sixteen billion, four hundred seven million, two hundred seven thousand, one hundred forty-four".