61036400846 has 4 divisors (see below), whose sum is σ = 91554601272. Its totient is φ = 30518200422.

The previous prime is 61036400839. The next prime is 61036400863. The reversal of 61036400846 is 64800463016.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 15259100210 + ... + 15259100213.

It is an arithmetic number, because the mean of its divisors is an integer number (22888650318).

Almost surely, 2^61036400846 is an apocalyptic number.

61036400846 is a deficient number, since it is larger than the sum of its proper divisors (30518200426).

61036400846 is a wasteful number, since it uses less digits than its factorization.

61036400846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30518200425.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 61036400846 in words is "sixty-one billion, thirty-six million, four hundred thousand, eight hundred forty-six".