1616716670 has 8 divisors (see below), whose sum is σ = 2910090024. Its totient is φ = 646686664.

The previous prime is 1616716601. The next prime is 1616716687. The reversal of 1616716670 is 766176161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1616716670² = 5227545582111777800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80835824 + ... + 80835843.

It is an arithmetic number, because the mean of its divisors is an integer number (363761253).

Almost surely, 2^1616716670 is an apocalyptic number.

1616716670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1616716670 is a deficient number, since it is larger than the sum of its proper divisors (1293373354).

1616716670 is a wasteful number, since it uses less digits than its factorization.

1616716670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161671674.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 1616716670 is about 40208.4154126969. The cubic root of 1616716670 is about 1173.6663111183. Note that the first 3 decimals are identical.

The spelling of 1616716670 in words is "one billion, six hundred sixteen million, seven hundred sixteen thousand, six hundred seventy".