2661046479 has 192 divisors, whose sum is σ = 5338368000. Its totient is φ = 1299291840.

The previous prime is 2661046469. The next prime is 2661046481. The reversal of 2661046479 is 9746401662.

2661046479 is a `hidden beast` number, since 26 + 610 + 4 + 6 + 4 + 7 + 9 = 666.

It is not a de Polignac number, because 2661046479 - 2⁵ = 2661046447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661046429) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 85840194 + ... + 85840224.

It is an arithmetic number, because the mean of its divisors is an integer number (27804000).

Almost surely, 2^2661046479 is an apocalyptic number.

2661046479 is an abundant number, since it is smaller than the sum of its proper divisors (2677321521).

2661046479 is a wasteful number, since it uses less digits than its factorization.

2661046479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 2661046479 is about 51585.3320140522. The cubic root of 2661046479 is about 1385.7476583762.

The spelling of 2661046479 in words is "two billion, six hundred sixty-one million, forty-six thousand, four hundred seventy-nine".