10144131656 has 8 divisors (see below), whose sum is σ = 19020246870. Its totient is φ = 5072065824.

The previous prime is 10144131637. The next prime is 10144131661. The reversal of 10144131656 is 65613144101.

It can be written as a sum of positive squares in only one way, i.e., 9768159556 + 375972100 = 98834^2 + 19390^2 .

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

It is a super-2 number, since 2×10144131656² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634008221 + ... + 634008236.

Almost surely, 2^10144131656 is an apocalyptic number.

It is an amenable number.

10144131656 is a deficient number, since it is larger than the sum of its proper divisors (8876115214).

10144131656 is a wasteful number, since it uses less digits than its factorization.

10144131656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268016463 (or 1268016459 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 10144131656 its reverse (65613144101), we get a palindrome (75757275757).

The spelling of 10144131656 in words is "ten billion, one hundred forty-four million, one hundred thirty-one thousand, six hundred fifty-six".