66012614 has 8 divisors (see below), whose sum is σ = 100642368. Its totient is φ = 32465160.

The previous prime is 66012601. The next prime is 66012623. The reversal of 66012614 is 41621066.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×66012614² = 8715330414225992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270422 + ... + 270665.

It is an arithmetic number, because the mean of its divisors is an integer number (12580296).

Almost surely, 2^66012614 is an apocalyptic number.

66012614 is a deficient number, since it is larger than the sum of its proper divisors (34629754).

66012614 is a wasteful number, since it uses less digits than its factorization.

66012614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541150.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 66012614 is about 8124.8147055794. The cubic root of 66012614 is about 404.1497459786.

It can be divided in two parts, 660 and 12614, that multiplied together give a triangular number (8325240 = T₄₀₈₀).

The spelling of 66012614 in words is "sixty-six million, twelve thousand, six hundred fourteen".