16616077 has 4 divisors (see below), whose sum is σ = 16679520. Its totient is φ = 16552636.

The previous prime is 16616053. The next prime is 16616081. The reversal of 16616077 is 77061661.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 16616077 - 2²³ = 8227469 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 (16616027) 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, 31327 + ... + 31852.

It is an arithmetic number, because the mean of its divisors is an integer number (4169880).

Almost surely, 2^16616077 is an apocalyptic number.

It is an amenable number.

16616077 is a deficient number, since it is larger than the sum of its proper divisors (63443).

16616077 is an equidigital number, since it uses as much as digits as its factorization.

16616077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63442.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 16616077 is about 4076.2822522490. The cubic root of 16616077 is about 255.1777666008.

The spelling of 16616077 in words is "sixteen million, six hundred sixteen thousand, seventy-seven".