16006977 has 60 divisors (see below), whose sum is σ = 28829460. Its totient is φ = 8817984.

The previous prime is 16006973. The next prime is 16006981. The reversal of 16006977 is 77960061.

It is an interprime number because it is at equal distance from previous prime (16006973) and next prime (16006981).

It can be written as a sum of positive squares in 2 ways, for example, as 12895281 + 3111696 = 3591^2 + 1764^2 .

It is not a de Polignac number, because 16006977 - 2² = 16006973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16006973) 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 59 ways as a sum of consecutive naturals, for example, 146799 + ... + 146907.

It is an arithmetic number, because the mean of its divisors is an integer number (480491).

Almost surely, 2^16006977 is an apocalyptic number.

It is an amenable number.

16006977 is a deficient number, since it is larger than the sum of its proper divisors (12822483).

16006977 is a wasteful number, since it uses less digits than its factorization.

16006977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 16006977 is about 4000.8720299455. The cubic root of 16006977 is about 252.0208316112.

The spelling of 16006977 in words is "sixteen million, six thousand, nine hundred seventy-seven".