66786096 has 60 divisors (see below), whose sum is σ = 186845928. Its totient is φ = 20547072.

The previous prime is 66786091. The next prime is 66786151. The reversal of 66786096 is 69068766.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (66786091) 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, 3996 + ... + 12228.

Almost surely, 2^66786096 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66786096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93422964).

66786096 is an abundant number, since it is smaller than the sum of its proper divisors (120059832).

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

66786096 is a wasteful number, since it uses less digits than its factorization.

66786096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8270 (or 8251 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 66786096 is about 8172.2760599480. The cubic root of 66786096 is about 405.7221197040.

The spelling of 66786096 in words is "sixty-six million, seven hundred eighty-six thousand, ninety-six".