61801614 has 48 divisors (see below), whose sum is σ = 153479040. Its totient is φ = 17606160.

The previous prime is 61801591. The next prime is 61801627. The reversal of 61801614 is 41610816.

61801614 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71517 + ... + 72375.

It is an arithmetic number, because the mean of its divisors is an integer number (3197480).

Almost surely, 2^61801614 is an apocalyptic number.

61801614 is an abundant number, since it is smaller than the sum of its proper divisors (91677426).

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

61801614 is a wasteful number, since it uses less digits than its factorization.

61801614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445 (or 1442 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 61801614 is about 7861.4002569517. The cubic root of 61801614 is about 395.3665645949.

The spelling of 61801614 in words is "sixty-one million, eight hundred one thousand, six hundred fourteen".