16900858407091 has 4 divisors (see below), whose sum is σ = 17008507186912. Its totient is φ = 16793209627272.

The previous prime is 16900858407077. The next prime is 16900858407107. The reversal of 16900858407091 is 19070485800961.

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

It is a cyclic number.

It is not a de Polignac number, because 16900858407091 - 2⁴³ = 8104765384883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16900858407061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53824389675 + ... + 53824389988.

It is an arithmetic number, because the mean of its divisors is an integer number (4252126796728).

Almost surely, 2^{16900858407091} is an apocalyptic number.

16900858407091 is a deficient number, since it is larger than the sum of its proper divisors (107648779821).

16900858407091 is a wasteful number, since it uses less digits than its factorization.

16900858407091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107648779820.

The product of its (nonzero) digits is 4354560, while the sum is 58.

The spelling of 16900858407091 in words is "sixteen trillion, nine hundred billion, eight hundred fifty-eight million, four hundred seven thousand, ninety-one".