16840118357 has 8 divisors (see below), whose sum is σ = 17769741120. Its totient is φ = 15926949280.

The previous prime is 16840118341. The next prime is 16840118359. The reversal of 16840118357 is 75381104861.

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 16840118357 - 2⁴ = 16840118341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16840118359) 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, 4111319 + ... + 4115412.

It is an arithmetic number, because the mean of its divisors is an integer number (2221217640).

Almost surely, 2^16840118357 is an apocalyptic number.

It is an amenable number.

16840118357 is a deficient number, since it is larger than the sum of its proper divisors (929622763).

16840118357 is an equidigital number, since it uses as much as digits as its factorization.

16840118357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8226843.

The product of its (nonzero) digits is 161280, while the sum is 44.

The spelling of 16840118357 in words is "sixteen billion, eight hundred forty million, one hundred eighteen thousand, three hundred fifty-seven".