61334521468 has 24 divisors (see below), whose sum is σ = 117249156864. Its totient is φ = 27842190000.

The previous prime is 61334521447. The next prime is 61334521477. The reversal of 61334521468 is 86412543316.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 895030 + ... + 961117.

It is an arithmetic number, because the mean of its divisors is an integer number (4885381536).

Almost surely, 2^61334521468 is an apocalyptic number.

It is an amenable number.

61334521468 is a deficient number, since it is larger than the sum of its proper divisors (55914635396).

61334521468 is a wasteful number, since it uses less digits than its factorization.

61334521468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856913 (or 1856911 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The spelling of 61334521468 in words is "sixty-one billion, three hundred thirty-four million, five hundred twenty-one thousand, four hundred sixty-eight".