66098016 has 36 divisors (see below), whose sum is σ = 187967052. Its totient is φ = 22032576.

The previous prime is 66097973. The next prime is 66098029. The reversal of 66098016 is 61089066.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 114466 + ... + 115041.

It is an arithmetic number, because the mean of its divisors is an integer number (5221307).

Almost surely, 2^66098016 is an apocalyptic number.

It is an amenable number.

66098016 is an abundant number, since it is smaller than the sum of its proper divisors (121869036).

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

66098016 is a wasteful number, since it uses less digits than its factorization.

66098016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229523 (or 229512 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 66098016 is about 8130.0686343966. The cubic root of 66098016 is about 404.3239567384.

The spelling of 66098016 in words is "sixty-six million, ninety-eight thousand, sixteen".