61104658436 has 6 divisors (see below), whose sum is σ = 106933152270. Its totient is φ = 30552329216.

The previous prime is 61104658429. The next prime is 61104658507. The reversal of 61104658436 is 63485640116.

It can be written as a sum of positive squares in only one way, i.e., 47158465600 + 13946192836 = 217160^2 + 118094^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7638082301 + ... + 7638082308.

It is an arithmetic number, because the mean of its divisors is an integer number (17822192045).

Almost surely, 2^61104658436 is an apocalyptic number.

It is an amenable number.

61104658436 is a deficient number, since it is larger than the sum of its proper divisors (45828493834).

61104658436 is a wasteful number, since it uses less digits than its factorization.

61104658436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15276164613 (or 15276164611 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 61104658436 in words is "sixty-one billion, one hundred four million, six hundred fifty-eight thousand, four hundred thirty-six".