61450500116148 has 48 divisors (see below), whose sum is σ = 168451720602816. Its totient is φ = 17188951080960.

The previous prime is 61450500116147. The next prime is 61450500116171. The reversal of 61450500116148 is 84161100505416.

It is a super-2 number, since 2×61450500116148² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61450500116147) 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, 17905155661 + ... + 17905159092.

It is an arithmetic number, because the mean of its divisors is an integer number (3509410845892).

Almost surely, 2^{61450500116148} is an apocalyptic number.

It is an amenable number.

61450500116148 is an abundant number, since it is smaller than the sum of its proper divisors (107001220486668).

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

61450500116148 is a wasteful number, since it uses less digits than its factorization.

61450500116148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35810314784 (or 35810314782 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 42.

The spelling of 61450500116148 in words is "sixty-one trillion, four hundred fifty billion, five hundred million, one hundred sixteen thousand, one hundred forty-eight".