16535677 has 2 divisors, whose sum is σ = 16535678. Its totient is φ = 16535676.

The previous prime is 16535663. The next prime is 16535683. The reversal of 16535677 is 77653561.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16168441 + 367236 = 4021^2 + 606^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16535677 is a prime.

It is a super-2 number, since 2×16535677² = 546857227696658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16535647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8267838 + 8267839.

It is an arithmetic number, because the mean of its divisors is an integer number (8267839).

Almost surely, 2^16535677 is an apocalyptic number.

It is an amenable number.

16535677 is a deficient number, since it is larger than the sum of its proper divisors (1).

16535677 is an equidigital number, since it uses as much as digits as its factorization.

16535677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 132300, while the sum is 40.

The square root of 16535677 is about 4066.4083661138. The cubic root of 16535677 is about 254.7655258471.

The spelling of 16535677 in words is "sixteen million, five hundred thirty-five thousand, six hundred seventy-seven".