61734341668 has 24 divisors (see below), whose sum is σ = 109880951544. Its totient is φ = 30340473600.

The previous prime is 61734341659. The next prime is 61734341681. The reversal of 61734341668 is 86614343716.

It can be written as a sum of positive squares in 4 ways, for example, as 842857024 + 60891484644 = 29032^2 + 246762^2 .

It is a super-2 number, since 2×61734341668² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 275946 + ... + 446782.

It is an arithmetic number, because the mean of its divisors is an integer number (4578372981).

Almost surely, 2^61734341668 is an apocalyptic number.

It is an amenable number.

61734341668 is a deficient number, since it is larger than the sum of its proper divisors (48146609876).

61734341668 is a wasteful number, since it uses less digits than its factorization.

61734341668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172383 (or 172381 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 49.

The spelling of 61734341668 in words is "sixty-one billion, seven hundred thirty-four million, three hundred forty-one thousand, six hundred sixty-eight".