16261002 has 12 divisors (see below), whose sum is σ = 35232210. Its totient is φ = 5420328.

The previous prime is 16261001. The next prime is 16261073. The reversal of 16261002 is 20016261.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12257001 + 4004001 = 3501^2 + 2001^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 903389 = 16261002 / (1 + 6 + 2 + 6 + 1 + 0 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (16261001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 451677 + ... + 451712.

Almost surely, 2^16261002 is an apocalyptic number.

16261002 is an abundant number, since it is smaller than the sum of its proper divisors (18971208).

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

16261002 is a wasteful number, since it uses less digits than its factorization.

16261002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903397 (or 903394 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 16261002 is about 4032.4932733980. The cubic root of 16261002 is about 253.3470010324.

Adding to 16261002 its reverse (20016261), we get a palindrome (36277263).

It can be divided in two parts, 1626 and 1002, that added together give a triangular number (2628 = T₇₂).

The spelling of 16261002 in words is "sixteen million, two hundred sixty-one thousand, two".