16657574213045 has 8 divisors (see below), whose sum is σ = 20453951592096. Its totient is φ = 13016151012816.

The previous prime is 16657574212949. The next prime is 16657574213069. The reversal of 16657574213045 is 54031247575661.

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 16657574213045 - 2⁸ = 16657574212789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38738544467 + ... + 38738544896.

It is an arithmetic number, because the mean of its divisors is an integer number (2556743949012).

Almost surely, 2^{16657574213045} is an apocalyptic number.

It is an amenable number.

16657574213045 is a deficient number, since it is larger than the sum of its proper divisors (3796377379051).

16657574213045 is an equidigital number, since it uses as much as digits as its factorization.

16657574213045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77477089411.

The product of its (nonzero) digits is 21168000, while the sum is 56.

The spelling of 16657574213045 in words is "sixteen trillion, six hundred fifty-seven billion, five hundred seventy-four million, two hundred thirteen thousand, forty-five".