1616666010 has 32 divisors (see below), whose sum is σ = 3881215872. Its totient is φ = 430975680.

The previous prime is 1616665993. The next prime is 1616666011. The reversal of 1616666010 is 106666161.

It is a super-2 number, since 2×1616666010² = 5227217975778640200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1616666011) 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, 121507 + ... + 134153.

It is an arithmetic number, because the mean of its divisors is an integer number (121287996).

Almost surely, 2^1616666010 is an apocalyptic number.

1616666010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1616666010 is an abundant number, since it is smaller than the sum of its proper divisors (2264549862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1616666010 is a wasteful number, since it uses less digits than its factorization.

1616666010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16918.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1616666010 is about 40207.7854401358. The cubic root of 1616666010 is about 1173.6540520013.

The spelling of 1616666010 in words is "one billion, six hundred sixteen million, six hundred sixty-six thousand, ten".