61454434516614 has 64 divisors (see below), whose sum is σ = 138816959878080. Its totient is φ = 20147140834560.

The previous prime is 61454434516597. The next prime is 61454434516649. The reversal of 61454434516614 is 41661543445416.

61454434516614 is a `hidden beast` number, since 6 + 1 + 4 + 5 + 4 + 4 + 3 + 4 + 5 + 16 + 614 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35173572 + ... + 36879384.

It is an arithmetic number, because the mean of its divisors is an integer number (2169014998095).

Almost surely, 2^{61454434516614} is an apocalyptic number.

61454434516614 is an abundant number, since it is smaller than the sum of its proper divisors (77362525361466).

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

61454434516614 is a wasteful number, since it uses less digits than its factorization.

61454434516614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716822 (or 1716816 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 54.

The spelling of 61454434516614 in words is "sixty-one trillion, four hundred fifty-four billion, four hundred thirty-four million, five hundred sixteen thousand, six hundred fourteen".