16135485610 has 12 divisors (see below), whose sum is σ = 29044597158. Its totient is φ = 6454033568.

The previous prime is 16135485571. The next prime is 16135485629. The reversal of 16135485610 is 1658453161.

It can be written as a sum of positive squares in 3 ways, for example, as 15548344249 + 587141361 = 124693^2 + 24231^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 381606 + ... + 421774.

Almost surely, 2^16135485610 is an apocalyptic number.

16135485610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16135485610 is a deficient number, since it is larger than the sum of its proper divisors (12909111548).

16135485610 is an frugal number, since it uses more digits than its factorization.

16135485610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80345 (or 40176 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

Multiplying 16135485610 by its sum of digits (40), we get a square (645419424400 = 803380²).

The spelling of 16135485610 in words is "sixteen billion, one hundred thirty-five million, four hundred eighty-five thousand, six hundred ten".