16040377 has 4 divisors (see below), whose sum is σ = 16303396. Its totient is φ = 15777360.

The previous prime is 16040357. The next prime is 16040399. The reversal of 16040377 is 77304061.

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 207936 + 15832441 = 456^2 + 3979^2 .

It is a cyclic number.

It is not a de Polignac number, because 16040377 - 2¹¹ = 16038329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16040317) 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, 131418 + ... + 131539.

It is an arithmetic number, because the mean of its divisors is an integer number (4075849).

Almost surely, 2^16040377 is an apocalyptic number.

It is an amenable number.

16040377 is a deficient number, since it is larger than the sum of its proper divisors (263019).

16040377 is an equidigital number, since it uses as much as digits as its factorization.

16040377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263018.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 16040377 is about 4005.0439448276. The cubic root of 16040377 is about 252.1959978930.

The spelling of 16040377 in words is "sixteen million, forty thousand, three hundred seventy-seven".