16699070147257 has 4 divisors (see below), whose sum is σ = 17577968576080. Its totient is φ = 15820171718436.

The previous prime is 16699070147171. The next prime is 16699070147261. The reversal of 16699070147257 is 75274107099661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16699070147257 - 2¹¹ = 16699070145209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16699070147957) 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, 439449214383 + ... + 439449214420.

It is an arithmetic number, because the mean of its divisors is an integer number (4394492144020).

Almost surely, 2^{16699070147257} is an apocalyptic number.

It is an amenable number.

16699070147257 is a deficient number, since it is larger than the sum of its proper divisors (878898428823).

16699070147257 is an equidigital number, since it uses as much as digits as its factorization.

16699070147257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878898428822.

The product of its (nonzero) digits is 40007520, while the sum is 64.

The spelling of 16699070147257 in words is "sixteen trillion, six hundred ninety-nine billion, seventy million, one hundred forty-seven thousand, two hundred fifty-seven".