615042066 has 16 divisors (see below), whose sum is σ = 1260086688. Its totient is φ = 200013600.

The previous prime is 615042059. The next prime is 615042091. The reversal of 615042066 is 660240516.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1249840 + ... + 1250331.

It is an arithmetic number, because the mean of its divisors is an integer number (78755418).

Almost surely, 2^615042066 is an apocalyptic number.

615042066 is an abundant number, since it is smaller than the sum of its proper divisors (645044622).

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

615042066 is a wasteful number, since it uses less digits than its factorization.

615042066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500217.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 615042066 is about 24800.0416531908. The cubic root of 615042066 is about 850.4228880724.

The spelling of 615042066 in words is "six hundred fifteen million, forty-two thousand, sixty-six".