16261836 has 12 divisors (see below), whose sum is σ = 37944312. Its totient is φ = 5420608.

The previous prime is 16261823. The next prime is 16261841. The reversal of 16261836 is 63816261.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 16261797 and 16261806.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677565 + ... + 677588.

It is an arithmetic number, because the mean of its divisors is an integer number (3162026).

Almost surely, 2^16261836 is an apocalyptic number.

It is an amenable number.

16261836 is an abundant number, since it is smaller than the sum of its proper divisors (21682476).

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

16261836 is a wasteful number, since it uses less digits than its factorization.

16261836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355160 (or 1355158 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 16261836 is about 4032.5966820400. The cubic root of 16261836 is about 253.3513322084.

The spelling of 16261836 in words is "sixteen million, two hundred sixty-one thousand, eight hundred thirty-six".