574311521661 has 16 divisors (see below), whose sum is σ = 770296704768. Its totient is φ = 380606760000.

The previous prime is 574311521647. The next prime is 574311521699. The reversal of 574311521661 is 166125113475.

It is not a de Polignac number, because 574311521661 - 2¹⁴ = 574311505277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (574311501661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443590 + ... + 1159911.

It is an arithmetic number, because the mean of its divisors is an integer number (48143544048).

Almost surely, 2^574311521661 is an apocalyptic number.

It is an amenable number.

574311521661 is a deficient number, since it is larger than the sum of its proper divisors (195985183107).

574311521661 is a wasteful number, since it uses less digits than its factorization.

574311521661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604212.

The product of its digits is 151200, while the sum is 42.

The spelling of 574311521661 in words is "five hundred seventy-four billion, three hundred eleven million, five hundred twenty-one thousand, six hundred sixty-one".