16436020326 has 16 divisors (see below), whose sum is σ = 35860408128. Its totient is φ = 4980612200.

The previous prime is 16436020241. The next prime is 16436020327. The reversal of 16436020326 is 62302063461.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16436020327) 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, 124515240 + ... + 124515371.

It is an arithmetic number, because the mean of its divisors is an integer number (2241275508).

Almost surely, 2^16436020326 is an apocalyptic number.

16436020326 is an abundant number, since it is smaller than the sum of its proper divisors (19424387802).

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

16436020326 is a wasteful number, since it uses less digits than its factorization.

16436020326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249030627.

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 16436020326 its reverse (62302063461), we get a palindrome (78738083787).

The spelling of 16436020326 in words is "sixteen billion, four hundred thirty-six million, twenty thousand, three hundred twenty-six".