16166077 has 6 divisors (see below), whose sum is σ = 16628154. Its totient is φ = 15705360.

The previous prime is 16166063. The next prime is 16166081. The reversal of 16166077 is 77066161.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 10458756 + 5707321 = 3234^2 + 2389^2 .

It is not a de Polignac number, because 16166077 - 2⁷ = 16165949 is a prime.

It is a super-2 number, since 2×16166077² = 522684091139858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16166057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24127 + ... + 24787.

It is an arithmetic number, because the mean of its divisors is an integer number (2771359).

Almost surely, 2^16166077 is an apocalyptic number.

It is an amenable number.

16166077 is a deficient number, since it is larger than the sum of its proper divisors (462077).

16166077 is an frugal number, since it uses more digits than its factorization.

16166077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359 (or 698 counting only the distinct ones).

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

The square root of 16166077 is about 4020.7060325271. The cubic root of 16166077 is about 252.8530603269.

The spelling of 16166077 in words is "sixteen million, one hundred sixty-six thousand, seventy-seven".