1616166056 has 16 divisors (see below), whose sum is σ = 3134805300. Its totient is φ = 780217984.

The previous prime is 1616165989. The next prime is 1616166061. The reversal of 1616166056 is 6506616161.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1446280900 + 169885156 = 38030^2 + 13034^2 .

It is a super-2 number, since 2×1616166056² = 5223985441133190272, which contains 22 as substring.

It is an unprimeable number.

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, 3482885 + ... + 3483348.

Almost surely, 2^1616166056 is an apocalyptic number.

It is an amenable number.

1616166056 is a deficient number, since it is larger than the sum of its proper divisors (1518639244).

1616166056 is a wasteful number, since it uses less digits than its factorization.

1616166056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6966268 (or 6966264 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 1616166056 is about 40201.5678301232. The cubic root of 1616166056 is about 1173.5330553470.

The spelling of 1616166056 in words is "one billion, six hundred sixteen million, one hundred sixty-six thousand, fifty-six".