16339615401 has 16 divisors (see below), whose sum is σ = 21834602496. Its totient is φ = 10868881296.

The previous prime is 16339615393. The next prime is 16339615417. The reversal of 16339615401 is 10451693361.

It is not a de Polignac number, because 16339615401 - 2³ = 16339615393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16339615401.

It is not an unprimeable number, because it can be changed into a prime (16339615301) 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, 3303136 + ... + 3308078.

It is an arithmetic number, because the mean of its divisors is an integer number (1364662656).

Almost surely, 2^16339615401 is an apocalyptic number.

It is an amenable number.

16339615401 is a deficient number, since it is larger than the sum of its proper divisors (5494987095).

16339615401 is a wasteful number, since it uses less digits than its factorization.

16339615401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7172.

The product of its (nonzero) digits is 58320, while the sum is 39.

The spelling of 16339615401 in words is "sixteen billion, three hundred thirty-nine million, six hundred fifteen thousand, four hundred one".