61540160342 has 4 divisors (see below), whose sum is σ = 92310240516. Its totient is φ = 30770080170.

The previous prime is 61540160321. The next prime is 61540160347. The reversal of 61540160342 is 24306104516.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 61540160299 and 61540160308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61540160347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15385040084 + ... + 15385040087.

It is an arithmetic number, because the mean of its divisors is an integer number (23077560129).

Almost surely, 2^61540160342 is an apocalyptic number.

61540160342 is a deficient number, since it is larger than the sum of its proper divisors (30770080174).

61540160342 is a wasteful number, since it uses less digits than its factorization.

61540160342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30770080173.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 61540160342 its reverse (24306104516), we get a palindrome (85846264858).

The spelling of 61540160342 in words is "sixty-one billion, five hundred forty million, one hundred sixty thousand, three hundred forty-two".