10661003624 has 8 divisors (see below), whose sum is σ = 19989381810. Its totient is φ = 5330501808.

The previous prime is 10661003609. The next prime is 10661003699. The reversal of 10661003624 is 42630016601.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8506372900 + 2154630724 = 92230^2 + 46418^2 .

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

It is a super-2 number, since 2×10661003624² (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, 666312719 + ... + 666312734.

Almost surely, 2^10661003624 is an apocalyptic number.

It is an amenable number.

10661003624 is a deficient number, since it is larger than the sum of its proper divisors (9328378186).

10661003624 is a wasteful number, since it uses less digits than its factorization.

10661003624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332625459 (or 1332625455 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 10661003624 in words is "ten billion, six hundred sixty-one million, three thousand, six hundred twenty-four".