16161610610 has 8 divisors (see below), whose sum is σ = 29090899116. Its totient is φ = 6464644240.

The previous prime is 16161610607. The next prime is 16161610627. The reversal of 16161610610 is 1601616161.

It can be written as a sum of positive squares in 2 ways, for example, as 15770085241 + 391525369 = 125579^2 + 19787^2 .

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

It is a super-2 number, since 2×16161610610² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 808080521 + ... + 808080540.

Almost surely, 2^16161610610 is an apocalyptic number.

16161610610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16161610610 is a deficient number, since it is larger than the sum of its proper divisors (12929288506).

16161610610 is a wasteful number, since it uses less digits than its factorization.

16161610610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616161068.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 16161610610 in words is "sixteen billion, one hundred sixty-one million, six hundred ten thousand, six hundred ten".