210162678268 has 12 divisors (see below), whose sum is σ = 369183109680. Its totient is φ = 104681789792.

The previous prime is 210162678259. The next prime is 210162678281. The reversal of 210162678268 is 862876261012.

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, 99886153 + ... + 99888256.

It is an arithmetic number, because the mean of its divisors is an integer number (30765259140).

Almost surely, 2^210162678268 is an apocalyptic number.

It is an amenable number.

210162678268 is a deficient number, since it is larger than the sum of its proper divisors (159020431412).

210162678268 is a wasteful number, since it uses less digits than its factorization.

210162678268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199774676 (or 199774674 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 210162678268 in words is "two hundred ten billion, one hundred sixty-two million, six hundred seventy-eight thousand, two hundred sixty-eight".