24540351661 has 16 divisors (see below), whose sum is σ = 28203462144. Its totient is φ = 20916693504.

The previous prime is 24540351631. The next prime is 24540351707. The reversal of 24540351661 is 16615304542.

It is not a de Polignac number, because 24540351661 - 2⁵ = 24540351629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 24540351661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24540351631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3572316 + ... + 3579178.

It is an arithmetic number, because the mean of its divisors is an integer number (1762716384).

Almost surely, 2^24540351661 is an apocalyptic number.

It is an amenable number.

24540351661 is a deficient number, since it is larger than the sum of its proper divisors (3663110483).

24540351661 is a wasteful number, since it uses less digits than its factorization.

24540351661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9660.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 24540351661 in words is "twenty-four billion, five hundred forty million, three hundred fifty-one thousand, six hundred sixty-one".