101664313544 has 8 divisors (see below), whose sum is σ = 190620587910. Its totient is φ = 50832156768.

The previous prime is 101664313433. The next prime is 101664313559. The reversal of 101664313544 is 445313466101.

It can be written as a sum of positive squares in only one way, i.e., 88528861444 + 13135452100 = 297538^2 + 114610^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 101664313498 and 101664313507.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6354019589 + ... + 6354019604.

Almost surely, 2^101664313544 is an apocalyptic number.

It is an amenable number.

101664313544 is a deficient number, since it is larger than the sum of its proper divisors (88956274366).

101664313544 is a wasteful number, since it uses less digits than its factorization.

101664313544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12708039199 (or 12708039195 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

Adding to 101664313544 its reverse (445313466101), we get a palindrome (546977779645).

The spelling of 101664313544 in words is "one hundred one billion, six hundred sixty-four million, three hundred thirteen thousand, five hundred forty-four".