660216151 has 12 divisors (see below), whose sum is σ = 776640960. Its totient is φ = 559537440.

The previous prime is 660216121. The next prime is 660216163. The reversal of 660216151 is 151612066.

It is not a de Polignac number, because 660216151 - 2⁵ = 660216119 is a prime.

It is a super-3 number, since 3×660216151³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660216121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71335 + ... + 80056.

It is an arithmetic number, because the mean of its divisors is an integer number (64720080).

Almost surely, 2^660216151 is an apocalyptic number.

660216151 is a deficient number, since it is larger than the sum of its proper divisors (116424809).

660216151 is a wasteful number, since it uses less digits than its factorization.

660216151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151494 (or 151487 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 660216151 is about 25694.6716460826. The cubic root of 660216151 is about 870.7538060986.

It can be divided in two parts, 660 and 216151, that added together give a triangular number (216811 = T₆₅₈).

The spelling of 660216151 in words is "six hundred sixty million, two hundred sixteen thousand, one hundred fifty-one".