61446346556 has 24 divisors (see below), whose sum is σ = 122903639040. Its totient is φ = 26331802992.

The previous prime is 61446346531. The next prime is 61446346583. The reversal of 61446346556 is 65564364416.

It is a super-2 number, since 2×61446346556² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243101 + ... + 426603.

It is an arithmetic number, because the mean of its divisors is an integer number (5120984960).

Almost surely, 2^61446346556 is an apocalyptic number.

It is an amenable number.

61446346556 is an abundant number, since it is smaller than the sum of its proper divisors (61457292484).

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

61446346556 is a wasteful number, since it uses less digits than its factorization.

61446346556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195473 (or 195471 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 50.

The spelling of 61446346556 in words is "sixty-one billion, four hundred forty-six million, three hundred forty-six thousand, five hundred fifty-six".