16246423291 has 6 divisors (see below), whose sum is σ = 18898900620. Its totient is φ = 13925505636.

The previous prime is 16246423283. The next prime is 16246423321. The reversal of 16246423291 is 19232464261.

It is a happy number.

It is not a de Polignac number, because 16246423291 - 2³ = 16246423283 is a prime.

It is a super-3 number, since 3×16246423291³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16246423231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 165779781 + ... + 165779878.

It is an arithmetic number, because the mean of its divisors is an integer number (3149816770).

Almost surely, 2^16246423291 is an apocalyptic number.

16246423291 is a deficient number, since it is larger than the sum of its proper divisors (2652477329).

16246423291 is an equidigital number, since it uses as much as digits as its factorization.

16246423291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331559673 (or 331559666 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The spelling of 16246423291 in words is "sixteen billion, two hundred forty-six million, four hundred twenty-three thousand, two hundred ninety-one".