61408179603 has 48 divisors (see below), whose sum is σ = 94353012000. Its totient is φ = 38352814080.

The previous prime is 61408179563. The next prime is 61408179661. The reversal of 61408179603 is 30697180416.

It is a happy number.

It is not a de Polignac number, because 61408179603 - 2³² = 57113212307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61408189603) 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 47 ways as a sum of consecutive naturals, for example, 39087808 + ... + 39089378.

It is an arithmetic number, because the mean of its divisors is an integer number (1965687750).

Almost surely, 2^61408179603 is an apocalyptic number.

61408179603 is a deficient number, since it is larger than the sum of its proper divisors (32944832397).

61408179603 is a wasteful number, since it uses less digits than its factorization.

61408179603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612 (or 2609 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 61408179603 in words is "sixty-one billion, four hundred eight million, one hundred seventy-nine thousand, six hundred three".