61417646748 has 36 divisors (see below), whose sum is σ = 157795252888. Its totient is φ = 20136932640.

The previous prime is 61417646747. The next prime is 61417646761. The reversal of 61417646748 is 84764671416.

It is a happy number.

61417646748 is a `hidden beast` number, since 6 + 1 + 4 + 176 + 467 + 4 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×61417646748² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61417646694 and 61417646703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61417646743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13981786 + ... + 13986177.

Almost surely, 2^61417646748 is an apocalyptic number.

It is an amenable number.

61417646748 is an abundant number, since it is smaller than the sum of its proper divisors (96377606140).

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

61417646748 is a wasteful number, since it uses less digits than its factorization.

61417646748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27968034 (or 27968029 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The spelling of 61417646748 in words is "sixty-one billion, four hundred seventeen million, six hundred forty-six thousand, seven hundred forty-eight".