10661624642 has 8 divisors (see below), whose sum is σ = 16231130256. Its totient is φ = 5251247892.

The previous prime is 10661624639. The next prime is 10661624651. The reversal of 10661624642 is 24642616601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10661624642² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10661624596 and 10661624605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39782048 + ... + 39782315.

It is an arithmetic number, because the mean of its divisors is an integer number (2028891282).

Almost surely, 2^10661624642 is an apocalyptic number.

10661624642 is a deficient number, since it is larger than the sum of its proper divisors (5569505614).

10661624642 is an equidigital number, since it uses as much as digits as its factorization.

10661624642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79564432.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 10661624642 in words is "ten billion, six hundred sixty-one million, six hundred twenty-four thousand, six hundred forty-two".