16270423291 has 16 divisors (see below), whose sum is σ = 18236037600. Its totient is φ = 14441430528.

The previous prime is 16270423259. The next prime is 16270423339. The reversal of 16270423291 is 19232407261.

It is a cyclic number.

It is not a de Polignac number, because 16270423291 - 2⁵ = 16270423259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16270423291.

It is not an unprimeable number, because it can be changed into a prime (16270423241) 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, 362556 + ... + 404953.

It is an arithmetic number, because the mean of its divisors is an integer number (1139752350).

Almost surely, 2^16270423291 is an apocalyptic number.

16270423291 is a deficient number, since it is larger than the sum of its proper divisors (1965614309).

16270423291 is a wasteful number, since it uses less digits than its factorization.

16270423291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767598.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 16270423291 in words is "sixteen billion, two hundred seventy million, four hundred twenty-three thousand, two hundred ninety-one".