66798102 has 32 divisors (see below), whose sum is σ = 156409344. Its totient is φ = 18619200.

The previous prime is 66798101. The next prime is 66798103. The reversal of 66798102 is 20189766.

It is an interprime number because it is at equal distance from previous prime (66798101) and next prime (66798103).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66798101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17674 + ... + 21117.

It is an arithmetic number, because the mean of its divisors is an integer number (4887792).

Almost surely, 2^66798102 is an apocalyptic number.

66798102 is an abundant number, since it is smaller than the sum of its proper divisors (89611242).

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

66798102 is a wasteful number, since it uses less digits than its factorization.

66798102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38844.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 66798102 is about 8173.0105836222. The cubic root of 66798102 is about 405.7464301928.

The spelling of 66798102 in words is "sixty-six million, seven hundred ninety-eight thousand, one hundred two".