16535077 has 4 divisors (see below), whose sum is σ = 17807020. Its totient is φ = 15263136.

The previous prime is 16535053. The next prime is 16535093. The reversal of 16535077 is 77053561.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4879681 + 11655396 = 2209^2 + 3414^2 .

It is a cyclic number.

It is not a de Polignac number, because 16535077 - 2⁷ = 16534949 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 (16535027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635952 + ... + 635977.

It is an arithmetic number, because the mean of its divisors is an integer number (4451755).

Almost surely, 2^16535077 is an apocalyptic number.

It is an amenable number.

16535077 is a deficient number, since it is larger than the sum of its proper divisors (1271943).

16535077 is a wasteful number, since it uses less digits than its factorization.

16535077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271942.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 16535077 is about 4066.3345902668. The cubic root of 16535077 is about 254.7624444056.

The spelling of 16535077 in words is "sixteen million, five hundred thirty-five thousand, seventy-seven".