16361201406 has 16 divisors (see below), whose sum is σ = 35697166848. Its totient is φ = 4957939800.

The previous prime is 16361201399. The next prime is 16361201407. The reversal of 16361201406 is 60410216361.

It is a super-2 number, since 2×16361201406² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16361201407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123948430 + ... + 123948561.

It is an arithmetic number, because the mean of its divisors is an integer number (2231072928).

Almost surely, 2^16361201406 is an apocalyptic number.

16361201406 is an abundant number, since it is smaller than the sum of its proper divisors (19335965442).

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

16361201406 is a wasteful number, since it uses less digits than its factorization.

16361201406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247897007.

The product of its (nonzero) digits is 5184, while the sum is 30.

Adding to 16361201406 its reverse (60410216361), we get a palindrome (76771417767).

The spelling of 16361201406 in words is "sixteen billion, three hundred sixty-one million, two hundred one thousand, four hundred six".