268102671988 has 6 divisors (see below), whose sum is σ = 469179675986. Its totient is φ = 134051335992.

The previous prime is 268102671983. The next prime is 268102672003. The reversal of 268102671988 is 889176201862.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 219147569424 + 48955102564 = 468132^2 + 221258^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268102671983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33512833995 + ... + 33512834002.

Almost surely, 2^268102671988 is an apocalyptic number.

It is an amenable number.

268102671988 is a deficient number, since it is larger than the sum of its proper divisors (201077003998).

268102671988 is a wasteful number, since it uses less digits than its factorization.

268102671988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67025668001 (or 67025667999 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 58.

The spelling of 268102671988 in words is "two hundred sixty-eight billion, one hundred two million, six hundred seventy-one thousand, nine hundred eighty-eight".