615066066 has 24 divisors (see below), whose sum is σ = 1363636560. Its totient is φ = 200253816.

The previous prime is 615066037. The next prime is 615066139. The reversal of 615066066 is 660660516.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 615066066.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 396556 + ... + 398103.

It is an arithmetic number, because the mean of its divisors is an integer number (56818190).

Almost surely, 2^615066066 is an apocalyptic number.

615066066 is an abundant number, since it is smaller than the sum of its proper divisors (748570494).

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

615066066 is a wasteful number, since it uses less digits than its factorization.

615066066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794710 (or 794707 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 615066066 is about 24800.5255186256. The cubic root of 615066066 is about 850.4339495834.

The spelling of 615066066 in words is "six hundred fifteen million, sixty-six thousand, sixty-six".