16146350431 has 4 divisors (see below), whose sum is σ = 16160990112. Its totient is φ = 16131710752.

The previous prime is 16146350417. The next prime is 16146350453. The reversal of 16146350431 is 13405364161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16146350431 - 2⁵ = 16146350399 is a prime.

It is a super-2 number, since 2×16146350431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16146450431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7318186 + ... + 7320391.

It is an arithmetic number, because the mean of its divisors is an integer number (4040247528).

Almost surely, 2^16146350431 is an apocalyptic number.

16146350431 is a deficient number, since it is larger than the sum of its proper divisors (14639681).

16146350431 is a wasteful number, since it uses less digits than its factorization.

16146350431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14639680.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 16146350431 in words is "sixteen billion, one hundred forty-six million, three hundred fifty thousand, four hundred thirty-one".