66655092 has 36 divisors (see below), whose sum is σ = 180922560. Its totient is φ = 19044144.

The previous prime is 66655091. The next prime is 66655123. The reversal of 66655092 is 29055666.

It is a self number, because there is not a number n which added to its sum of digits gives 66655092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66655091) 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, 56092 + ... + 57267.

Almost surely, 2^66655092 is an apocalyptic number.

It is an amenable number.

66655092 is an abundant number, since it is smaller than the sum of its proper divisors (114267468).

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

66655092 is a wasteful number, since it uses less digits than its factorization.

66655092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113380 (or 113371 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 66655092 is about 8164.2569778272. The cubic root of 66655092 is about 405.4566651931.

The spelling of 66655092 in words is "sixty-six million, six hundred fifty-five thousand, ninety-two".