66607614 has 12 divisors (see below), whose sum is σ = 144316536. Its totient is φ = 22202532.

The previous prime is 66607573. The next prime is 66607631. The reversal of 66607614 is 41670666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1850194 + ... + 1850229.

It is an arithmetic number, because the mean of its divisors is an integer number (12026378).

Almost surely, 2^66607614 is an apocalyptic number.

66607614 is an abundant number, since it is smaller than the sum of its proper divisors (77708922).

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

66607614 is a wasteful number, since it uses less digits than its factorization.

66607614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700431 (or 3700428 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 66607614 is about 8161.3487855869. The cubic root of 66607614 is about 405.3603742552.

The spelling of 66607614 in words is "sixty-six million, six hundred seven thousand, six hundred fourteen".