61146419786 has 8 divisors (see below), whose sum is σ = 94882375620. Its totient is φ = 29518961248.

The previous prime is 61146419773. The next prime is 61146419801. The reversal of 61146419786 is 68791464116.

It can be written as a sum of positive squares in 2 ways, for example, as 58530608761 + 2615811025 = 241931^2 + 51145^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527124251 + ... + 527124366.

Almost surely, 2^61146419786 is an apocalyptic number.

61146419786 is a deficient number, since it is larger than the sum of its proper divisors (33735955834).

61146419786 is a wasteful number, since it uses less digits than its factorization.

61146419786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054248648.

The product of its digits is 1741824, while the sum is 53.

The spelling of 61146419786 in words is "sixty-one billion, one hundred forty-six million, four hundred nineteen thousand, seven hundred eighty-six".