10381724661 has 32 divisors (see below), whose sum is σ = 17724377088. Its totient is φ = 5247339840.

The previous prime is 10381724623. The next prime is 10381724663. The reversal of 10381724661 is 16642718301.

It is not a de Polignac number, because 10381724661 - 2¹¹ = 10381722613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10381724663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 598785 + ... + 615878.

It is an arithmetic number, because the mean of its divisors is an integer number (553886784).

Almost surely, 2^10381724661 is an apocalyptic number.

10381724661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10381724661 is a deficient number, since it is larger than the sum of its proper divisors (7342652427).

10381724661 is a wasteful number, since it uses less digits than its factorization.

10381724661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214721.

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 10381724661 in words is "ten billion, three hundred eighty-one million, seven hundred twenty-four thousand, six hundred sixty-one".