66060396 has 36 divisors (see below), whose sum is σ = 167967072. Its totient is φ = 21890784.

The previous prime is 66060391. The next prime is 66060433. The reversal of 66060396 is 69306066.

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 self number, because there is not a number n which added to its sum of digits gives 66060396.

It is not an unprimeable number, because it can be changed into a prime (66060391) 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, 925 + ... + 11531.

It is an arithmetic number, because the mean of its divisors is an integer number (4665752).

Almost surely, 2^66060396 is an apocalyptic number.

It is an amenable number.

66060396 is an abundant number, since it is smaller than the sum of its proper divisors (101906676).

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

66060396 is a wasteful number, since it uses less digits than its factorization.

66060396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10790 (or 10785 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 66060396 is about 8127.7546714945. The cubic root of 66060396 is about 404.2472345470.

The spelling of 66060396 in words is "sixty-six million, sixty thousand, three hundred ninety-six".