101640702368 has 12 divisors (see below), whose sum is σ = 200105132850. Its totient is φ = 50820351168.

The previous prime is 101640702349. The next prime is 101640702437. The reversal of 101640702368 is 863207046101.

It can be written as a sum of positive squares in only one way, i.e., 72785564944 + 28855137424 = 269788^2 + 169868^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1588135943 + ... + 1588136006.

Almost surely, 2^101640702368 is an apocalyptic number.

It is an amenable number.

101640702368 is a deficient number, since it is larger than the sum of its proper divisors (98464430482).

101640702368 is an equidigital number, since it uses as much as digits as its factorization.

101640702368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176271959 (or 3176271951 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

Adding to 101640702368 its reverse (863207046101), we get a palindrome (964847748469).

The spelling of 101640702368 in words is "one hundred one billion, six hundred forty million, seven hundred two thousand, three hundred sixty-eight".