16532442677 has 4 divisors (see below), whose sum is σ = 16533649440. Its totient is φ = 16531235916.

The previous prime is 16532442671. The next prime is 16532442679. The reversal of 16532442677 is 77624423561.

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, and also an emirpimes, since its reverse is a distinct semiprime: 77624423561 = 68659 ⋅1130579.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16532442677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16532442671) 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, 582593 + ... + 610310.

It is an arithmetic number, because the mean of its divisors is an integer number (4133412360).

Almost surely, 2^16532442677 is an apocalyptic number.

It is an amenable number.

16532442677 is a deficient number, since it is larger than the sum of its proper divisors (1206763).

16532442677 is a wasteful number, since it uses less digits than its factorization.

16532442677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206762.

The product of its digits is 1693440, while the sum is 47.

The spelling of 16532442677 in words is "sixteen billion, five hundred thirty-two million, four hundred forty-two thousand, six hundred seventy-seven".