16702223657 has 16 divisors (see below), whose sum is σ = 20270732160. Its totient is φ = 13442671872.

The previous prime is 16702223647. The next prime is 16702223693. The reversal of 16702223657 is 75632220761.

It is not a de Polignac number, because 16702223657 - 2⁴ = 16702223641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16702223647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540638 + ... + 570695.

It is an arithmetic number, because the mean of its divisors is an integer number (1266920760).

Almost surely, 2^16702223657 is an apocalyptic number.

It is an amenable number.

16702223657 is a deficient number, since it is larger than the sum of its proper divisors (3568508503).

16702223657 is a wasteful number, since it uses less digits than its factorization.

16702223657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111472.

The product of its (nonzero) digits is 211680, while the sum is 41.

The spelling of 16702223657 in words is "sixteen billion, seven hundred two million, two hundred twenty-three thousand, six hundred fifty-seven".