5261749166 has 16 divisors (see below), whose sum is σ = 7932001248. Its totient is φ = 2617776000.

The previous prime is 5261749121. The next prime is 5261749219. The reversal of 5261749166 is 6619471625.

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 5261749166.

It is a congruent 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, 411266 + ... + 423866.

It is an arithmetic number, because the mean of its divisors is an integer number (495750078).

Almost surely, 2^5261749166 is an apocalyptic number.

5261749166 is a deficient number, since it is larger than the sum of its proper divisors (2670252082).

5261749166 is a wasteful number, since it uses less digits than its factorization.

5261749166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13627.

The product of its digits is 544320, while the sum is 47.

The square root of 5261749166 is about 72537.9153684471. The cubic root of 5261749166 is about 1739.3088775483.

The spelling of 5261749166 in words is "five billion, two hundred sixty-one million, seven hundred forty-nine thousand, one hundred sixty-six".