61652042532 has 18 divisors (see below), whose sum is σ = 155842663158. Its totient is φ = 20550680832.

The previous prime is 61652042509. The next prime is 61652042537. The reversal of 61652042532 is 23524025616.

61652042532 is a `hidden beast` number, since 6 + 1 + 65 + 20 + 42 + 532 = 666.

It can be written as a sum of positive squares in only one way, i.e., 32781275136 + 28870767396 = 181056^2 + 169914^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1712556737 = 61652042532 / (6 + 1 + 6 + 5 + 2 + 0 + 4 + 2 + 5 + 3 + 2).

It is not an unprimeable number, because it can be changed into a prime (61652042537) 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 5 ways as a sum of consecutive naturals, for example, 856278333 + ... + 856278404.

It is an arithmetic number, because the mean of its divisors is an integer number (8657925731).

Almost surely, 2^61652042532 is an apocalyptic number.

It is an amenable number.

61652042532 is an abundant number, since it is smaller than the sum of its proper divisors (94190620626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61652042532 is a wasteful number, since it uses less digits than its factorization.

61652042532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712556747 (or 1712556742 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 61652042532 in words is "sixty-one billion, six hundred fifty-two million, forty-two thousand, five hundred thirty-two".