2660247351 has 12 divisors (see below), whose sum is σ = 3877833960. Its totient is φ = 1757226960.

The previous prime is 2660247281. The next prime is 2660247353. The reversal of 2660247351 is 1537420662.

2660247351 is a `hidden beast` number, since 2 + 6 + 60 + 247 + 351 = 666.

2660247351 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2660247351 - 2¹³ = 2660239159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660247353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1354905 + ... + 1356866.

It is an arithmetic number, because the mean of its divisors is an integer number (323152830).

Almost surely, 2^2660247351 is an apocalyptic number.

2660247351 is a deficient number, since it is larger than the sum of its proper divisors (1217586609).

2660247351 is a wasteful number, since it uses less digits than its factorization.

2660247351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2711886 (or 2711883 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 2660247351 is about 51577.5857422582. The cubic root of 2660247351 is about 1385.6089284149.

The spelling of 2660247351 in words is "two billion, six hundred sixty million, two hundred forty-seven thousand, three hundred fifty-one".