16570066828 has 24 divisors (see below), whose sum is σ = 34035815072. Its totient is φ = 6909525504.

The previous prime is 16570066823. The next prime is 16570066861. The reversal of 16570066828 is 82866007561.

It is a super-2 number, since 2×16570066828² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16570066823) 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, 7996101 + ... + 7998172.

Almost surely, 2^16570066828 is an apocalyptic number.

It is an amenable number.

16570066828 is an abundant number, since it is smaller than the sum of its proper divisors (17465748244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16570066828 is a wasteful number, since it uses less digits than its factorization.

16570066828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15994321 (or 15994319 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 16570066828 in words is "sixteen billion, five hundred seventy million, sixty-six thousand, eight hundred twenty-eight".