66155016614 has 24 divisors (see below), whose sum is σ = 105277007808. Its totient is φ = 31145303520.

The previous prime is 66155016611. The next prime is 66155016617. The reversal of 66155016614 is 41661055166.

It is an interprime number because it is at equal distance from previous prime (66155016611) and next prime (66155016617).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66155016611) 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, 304829 + ... + 474584.

It is an arithmetic number, because the mean of its divisors is an integer number (4386541992).

Almost surely, 2^66155016614 is an apocalyptic number.

66155016614 is a deficient number, since it is larger than the sum of its proper divisors (39121991194).

66155016614 is a wasteful number, since it uses less digits than its factorization.

66155016614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779520 (or 779483 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 66155016614 in words is "sixty-six billion, one hundred fifty-five million, sixteen thousand, six hundred fourteen".