16407869401 has 32 divisors (see below), whose sum is σ = 20594331648. Its totient is φ = 12699536640.

The previous prime is 16407869389. The next prime is 16407869431. The reversal of 16407869401 is 10496870461.

It is not a de Polignac number, because 16407869401 - 2¹¹ = 16407867353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16407869431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10364256 + ... + 10365838.

It is an arithmetic number, because the mean of its divisors is an integer number (643572864).

Almost surely, 2^16407869401 is an apocalyptic number.

16407869401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16407869401 is a deficient number, since it is larger than the sum of its proper divisors (4186462247).

16407869401 is a wasteful number, since it uses less digits than its factorization.

16407869401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 16407869401 in words is "sixteen billion, four hundred seven million, eight hundred sixty-nine thousand, four hundred one".