671461614 has 24 divisors (see below), whose sum is σ = 1540412640. Its totient is φ = 210654528.

The previous prime is 671461603. The next prime is 671461639. The reversal of 671461614 is 416164176.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 1096854 + ... + 1097465.

It is an arithmetic number, because the mean of its divisors is an integer number (64183860).

Almost surely, 2^671461614 is an apocalyptic number.

671461614 is an abundant number, since it is smaller than the sum of its proper divisors (868951026).

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

671461614 is a wasteful number, since it uses less digits than its factorization.

671461614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194344 (or 2194341 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 671461614 is about 25912.5763674707. The cubic root of 671461614 is about 875.6698496287.

It can be divided in two parts, 67 and 1461614, that added together give a square (1461681 = 1209²).

The spelling of 671461614 in words is "six hundred seventy-one million, four hundred sixty-one thousand, six hundred fourteen".