16766057 has 16 divisors (see below), whose sum is σ = 21814272. Its totient is φ = 12495120.

The previous prime is 16766039. The next prime is 16766059. The reversal of 16766057 is 75066761.

It is not a de Polignac number, because 16766057 - 2¹² = 16761961 is a prime.

It is a super-2 number, since 2×16766057² = 562201334654498, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16766057.

It is not an unprimeable number, because it can be changed into a prime (16766059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2963 + ... + 6504.

It is an arithmetic number, because the mean of its divisors is an integer number (1363392).

Almost surely, 2^16766057 is an apocalyptic number.

It is an amenable number.

16766057 is a deficient number, since it is larger than the sum of its proper divisors (5048215).

16766057 is a wasteful number, since it uses less digits than its factorization.

16766057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9508.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 16766057 is about 4094.6375908009. The cubic root of 16766057 is about 255.9432298026.

The spelling of 16766057 in words is "sixteen million, seven hundred sixty-six thousand, fifty-seven".