61941748014864 has 45 divisors (see below), whose sum is σ = 173351128547623. Its totient is φ = 20647217857056.

The previous prime is 61941748014851. The next prime is 61941748014871. The reversal of 61941748014864 is 46841084714916.

It is a happy number.

The square root of 61941748014864 is 7870308.

It is a perfect power (a square), and thus also a powerful number.

61941748014864 is a `hidden beast` number, since 6 + 1 + 9 + 4 + 1 + 7 + 480 + 148 + 6 + 4 = 666.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 94115767 + ... + 94771625.

Almost surely, 2^{61941748014864} is an apocalyptic number.

61941748014864 is the 7870308-th square number.

It is an amenable number.

61941748014864 is an abundant number, since it is smaller than the sum of its proper divisors (111409380532759).

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

61941748014864 is an frugal number, since it uses more digits than its factorization.

61941748014864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311732 (or 655864 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 63.

The spelling of 61941748014864 in words is "sixty-one trillion, nine hundred forty-one billion, seven hundred forty-eight million, fourteen thousand, eight hundred sixty-four".