61885450596951 has 16 divisors (see below), whose sum is σ = 91753608280320. Its totient is φ = 41224810403160.

The previous prime is 61885450596929. The next prime is 61885450596961. The reversal of 61885450596951 is 15969505458816.

61885450596951 is a `hidden beast` number, since 6 + 1 + 8 + 8 + 5 + 4 + 505 + 9 + 69 + 51 = 666.

It is not a de Polignac number, because 61885450596951 - 2¹⁵ = 61885450564183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61885450596951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61885450596901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 893205315 + ... + 893274596.

It is an arithmetic number, because the mean of its divisors is an integer number (5734600517520).

Almost surely, 2^{61885450596951} is an apocalyptic number.

61885450596951 is a deficient number, since it is larger than the sum of its proper divisors (29868157683369).

61885450596951 is a wasteful number, since it uses less digits than its factorization.

61885450596951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786481203 (or 1786481197 counting only the distinct ones).

The product of its (nonzero) digits is 466560000, while the sum is 72.

The spelling of 61885450596951 in words is "sixty-one trillion, eight hundred eighty-five billion, four hundred fifty million, five hundred ninety-six thousand, nine hundred fifty-one".