61418420346 has 48 divisors (see below), whose sum is σ = 132552241920. Its totient is φ = 18950954880.

The previous prime is 61418420317. The next prime is 61418420387. The reversal of 61418420346 is 64302481416.

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 23 ways as a sum of consecutive naturals, for example, 213711 + ... + 410498.

It is an arithmetic number, because the mean of its divisors is an integer number (2761505040).

Almost surely, 2^61418420346 is an apocalyptic number.

61418420346 is an abundant number, since it is smaller than the sum of its proper divisors (71133821574).

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

61418420346 is a wasteful number, since it uses less digits than its factorization.

61418420346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624291 (or 624268 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 61418420346 in words is "sixty-one billion, four hundred eighteen million, four hundred twenty thousand, three hundred forty-six".