534251732661 has 24 divisors (see below), whose sum is σ = 782630724096. Its totient is φ = 351122294880.

The previous prime is 534251732659. The next prime is 534251732671. The reversal of 534251732661 is 166237152435.

534251732661 is a `hidden beast` number, since 5 + 3 + 42 + 517 + 32 + 6 + 61 = 666.

It is not a de Polignac number, because 534251732661 - 2¹ = 534251732659 is a prime.

It is a super-2 number, since 2×534251732661² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534251732621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9930711 + ... + 9984363.

It is an arithmetic number, because the mean of its divisors is an integer number (32609613504).

Almost surely, 2^534251732661 is an apocalyptic number.

It is an amenable number.

534251732661 is a deficient number, since it is larger than the sum of its proper divisors (248378991435).

534251732661 is a wasteful number, since it uses less digits than its factorization.

534251732661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69313 (or 69310 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The spelling of 534251732661 in words is "five hundred thirty-four billion, two hundred fifty-one million, seven hundred thirty-two thousand, six hundred sixty-one".