2615064668 has 6 divisors (see below), whose sum is σ = 4576363176. Its totient is φ = 1307532332.

The previous prime is 2615064667. The next prime is 2615064689. The reversal of 2615064668 is 8664605162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2615064667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326883080 + ... + 326883087.

It is an arithmetic number, because the mean of its divisors is an integer number (762727196).

Almost surely, 2^2615064668 is an apocalyptic number.

It is an amenable number.

2615064668 is a deficient number, since it is larger than the sum of its proper divisors (1961298508).

2615064668 is a wasteful number, since it uses less digits than its factorization.

2615064668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653766171 (or 653766169 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 2615064668 is about 51137.7029988638. The cubic root of 2615064668 is about 1377.7195178500.

The spelling of 2615064668 in words is "two billion, six hundred fifteen million, sixty-four thousand, six hundred sixty-eight".