2002156866902 has 8 divisors (see below), whose sum is σ = 3003413806800. Its totient is φ = 1001018931304.

The previous prime is 2002156866889. The next prime is 2002156866917. The reversal of 2002156866902 is 2096686512002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29709002 + ... + 29776317.

It is an arithmetic number, because the mean of its divisors is an integer number (375426725850).

Almost surely, 2^{2002156866902} is an apocalyptic number.

2002156866902 is a deficient number, since it is larger than the sum of its proper divisors (1001256939898).

2002156866902 is a wasteful number, since it uses less digits than its factorization.

2002156866902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59502150.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 2002156866902 in words is "two trillion, two billion, one hundred fifty-six million, eight hundred sixty-six thousand, nine hundred two".