16051066 has 4 divisors (see below), whose sum is σ = 24076602. Its totient is φ = 8025532.

The previous prime is 16051031. The next prime is 16051073. The reversal of 16051066 is 66015061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66015061 = 7 ⋅9430723.

It can be written as a sum of positive squares in only one way, i.e., 13845841 + 2205225 = 3721^2 + 1485^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16051066.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4012765 + ... + 4012768.

Almost surely, 2^16051066 is an apocalyptic number.

16051066 is a deficient number, since it is larger than the sum of its proper divisors (8025536).

16051066 is an equidigital number, since it uses as much as digits as its factorization.

16051066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8025535.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 16051066 is about 4006.3781648766. The cubic root of 16051066 is about 252.2520049817.

The spelling of 16051066 in words is "sixteen million, fifty-one thousand, sixty-six".