16536662276 has 12 divisors (see below), whose sum is σ = 28940081100. Its totient is φ = 8268067680.

The previous prime is 16536662273. The next prime is 16536662321. The reversal of 16536662276 is 67226663561.

It can be written as a sum of positive squares in 2 ways, for example, as 7374343876 + 9162318400 = 85874^2 + 95720^2 .

It is a super-2 number, since 2×16536662276² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16536662273) 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, 166250 + ... + 246398.

It is an arithmetic number, because the mean of its divisors is an integer number (2411673425).

Almost surely, 2^16536662276 is an apocalyptic number.

It is an amenable number.

16536662276 is a deficient number, since it is larger than the sum of its proper divisors (12403418824).

16536662276 is a wasteful number, since it uses less digits than its factorization.

16536662276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131734 (or 131732 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 50.

The spelling of 16536662276 in words is "sixteen billion, five hundred thirty-six million, six hundred sixty-two thousand, two hundred seventy-six".