61486417228 has 12 divisors (see below), whose sum is σ = 107736243552. Its totient is φ = 30704633360.

The previous prime is 61486417219. The next prime is 61486417243. The reversal of 61486417228 is 82271468416.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9640228 + ... + 9646603.

It is an arithmetic number, because the mean of its divisors is an integer number (8978020296).

Almost surely, 2^61486417228 is an apocalyptic number.

It is an amenable number.

61486417228 is a deficient number, since it is larger than the sum of its proper divisors (46249826324).

61486417228 is a wasteful number, since it uses less digits than its factorization.

61486417228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19287632 (or 19287630 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 49.

The spelling of 61486417228 in words is "sixty-one billion, four hundred eighty-six million, four hundred seventeen thousand, two hundred twenty-eight".