16411251406 has 64 divisors (see below), whose sum is σ = 28745072640. Its totient is φ = 6948396000.

The previous prime is 16411251397. The next prime is 16411251419. The reversal of 16411251406 is 60415211461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18014091 + ... + 18015001.

It is an arithmetic number, because the mean of its divisors is an integer number (449141760).

Almost surely, 2^16411251406 is an apocalyptic number.

16411251406 is a deficient number, since it is larger than the sum of its proper divisors (12333821234).

16411251406 is a wasteful number, since it uses less digits than its factorization.

16411251406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621.

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 16411251406 its reverse (60415211461), we get a palindrome (76826462867).

The spelling of 16411251406 in words is "sixteen billion, four hundred eleven million, two hundred fifty-one thousand, four hundred six".