16394793247 has 8 divisors (see below), whose sum is σ = 18797156352. Its totient is φ = 14007492600.

The previous prime is 16394793241. The next prime is 16394793281. The reversal of 16394793247 is 74239749361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16394793247 - 2³¹ = 14247309599 is a prime.

It is a super-2 number, since 2×16394793247² (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 (16394793241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3763279 + ... + 3767632.

It is an arithmetic number, because the mean of its divisors is an integer number (2349644544).

Almost surely, 2^16394793247 is an apocalyptic number.

16394793247 is a deficient number, since it is larger than the sum of its proper divisors (2402363105).

16394793247 is an equidigital number, since it uses as much as digits as its factorization.

16394793247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7531229.

The product of its digits is 6858432, while the sum is 55.

The spelling of 16394793247 in words is "sixteen billion, three hundred ninety-four million, seven hundred ninety-three thousand, two hundred forty-seven".