61543653561046 has 8 divisors (see below), whose sum is σ = 92319547708440. Its totient is φ = 30770470991568.

The previous prime is 61543653561017. The next prime is 61543653561127. The reversal of 61543653561046 is 64016535634516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×61543653561046² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677837736 + ... + 677928523.

It is an arithmetic number, because the mean of its divisors is an integer number (11539943463555).

Almost surely, 2^{61543653561046} is an apocalyptic number.

61543653561046 is a deficient number, since it is larger than the sum of its proper divisors (30775894147394).

61543653561046 is a wasteful number, since it uses less digits than its factorization.

61543653561046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355788958.

The product of its (nonzero) digits is 23328000, while the sum is 55.

The spelling of 61543653561046 in words is "sixty-one trillion, five hundred forty-three billion, six hundred fifty-three million, five hundred sixty-one thousand, forty-six".