16357348091 has 4 divisors (see below), whose sum is σ = 18694112112. Its totient is φ = 14020584072.

The previous prime is 16357348079. The next prime is 16357348103. The reversal of 16357348091 is 19084375361.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (16357348079) and next prime (16357348103).

It is a cyclic number.

It is not a de Polignac number, because 16357348091 - 2²² = 16353153787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16357348001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1168382000 + ... + 1168382013.

It is an arithmetic number, because the mean of its divisors is an integer number (4673528028).

Almost surely, 2^16357348091 is an apocalyptic number.

16357348091 is a deficient number, since it is larger than the sum of its proper divisors (2336764021).

16357348091 is an equidigital number, since it uses as much as digits as its factorization.

16357348091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336764020.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 16357348091 in words is "sixteen billion, three hundred fifty-seven million, three hundred forty-eight thousand, ninety-one".