16861269802 has 16 divisors (see below), whose sum is σ = 27389607840. Its totient is φ = 7738646832.

The previous prime is 16861269797. The next prime is 16861269809. The reversal of 16861269802 is 20896216861.

16861269802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16861269809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1806828 + ... + 1816135.

It is an arithmetic number, because the mean of its divisors is an integer number (1711850490).

Almost surely, 2^16861269802 is an apocalyptic number.

16861269802 is a deficient number, since it is larger than the sum of its proper divisors (10528338038).

16861269802 is a wasteful number, since it uses less digits than its factorization.

16861269802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3623157.

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 16861269802 in words is "sixteen billion, eight hundred sixty-one million, two hundred sixty-nine thousand, eight hundred two".