661026114 has 48 divisors (see below), whose sum is σ = 1638274560. Its totient is φ = 188697600.

The previous prime is 661026103. The next prime is 661026161. The reversal of 661026114 is 411620166.

661026114 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244482 + ... + 247170.

It is an arithmetic number, because the mean of its divisors is an integer number (34130720).

Almost surely, 2^661026114 is an apocalyptic number.

661026114 is an abundant number, since it is smaller than the sum of its proper divisors (977248446).

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

661026114 is a wasteful number, since it uses less digits than its factorization.

661026114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4655 (or 4652 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 661026114 is about 25710.4281177891. The cubic root of 661026114 is about 871.1097451573.

The spelling of 661026114 in words is "six hundred sixty-one million, twenty-six thousand, one hundred fourteen".