16486781210 has 16 divisors (see below), whose sum is σ = 29679196392. Its totient is φ = 6594048000.

The previous prime is 16486781191. The next prime is 16486781239. The reversal of 16486781210 is 1218768461.

It can be written as a sum of positive squares in 4 ways, for example, as 15099740161 + 1387041049 = 122881^2 + 37243^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28250 + ... + 183770.

Almost surely, 2^16486781210 is an apocalyptic number.

16486781210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16486781210 is a deficient number, since it is larger than the sum of its proper divisors (13192415182).

16486781210 is a wasteful number, since it uses less digits than its factorization.

16486781210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166129.

The product of its (nonzero) digits is 129024, while the sum is 44.

The spelling of 16486781210 in words is "sixteen billion, four hundred eighty-six million, seven hundred eighty-one thousand, two hundred ten".