16536790612 has 6 divisors (see below), whose sum is σ = 28939383578. Its totient is φ = 8268395304.

The previous prime is 16536790609. The next prime is 16536790643. The reversal of 16536790612 is 21609763561.

It can be written as a sum of positive squares in only one way, i.e., 14642452036 + 1894338576 = 121006^2 + 43524^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2067098823 + ... + 2067098830.

Almost surely, 2^16536790612 is an apocalyptic number.

It is an amenable number.

16536790612 is a deficient number, since it is larger than the sum of its proper divisors (12402592966).

16536790612 is a wasteful number, since it uses less digits than its factorization.

16536790612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4134197657 (or 4134197655 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 16536790612 in words is "sixteen billion, five hundred thirty-six million, seven hundred ninety thousand, six hundred twelve".