2615261066 has 16 divisors (see below), whose sum is σ = 4298214240. Its totient is φ = 1183561680.

The previous prime is 2615261057. The next prime is 2615261071. The reversal of 2615261066 is 6601625162.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254516 + ... + 264591.

It is an arithmetic number, because the mean of its divisors is an integer number (268638390).

Almost surely, 2^2615261066 is an apocalyptic number.

2615261066 is a deficient number, since it is larger than the sum of its proper divisors (1682953174).

2615261066 is a wasteful number, since it uses less digits than its factorization.

2615261066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519349.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 2615261066 is about 51139.6232485145. The cubic root of 2615261066 is about 1377.7540070652.

The spelling of 2615261066 in words is "two billion, six hundred fifteen million, two hundred sixty-one thousand, sixty-six".