2660171550 has 24 divisors (see below), whose sum is σ = 6597225816. Its totient is φ = 709379040.

The previous prime is 2660171539. The next prime is 2660171561. The reversal of 2660171550 is 551710662.

It is an interprime number because it is at equal distance from previous prime (2660171539) and next prime (2660171561).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8867089 + ... + 8867388.

It is an arithmetic number, because the mean of its divisors is an integer number (274884409).

Almost surely, 2^2660171550 is an apocalyptic number.

2660171550 is an abundant number, since it is smaller than the sum of its proper divisors (3937054266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2660171550 is a wasteful number, since it uses less digits than its factorization.

2660171550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17734492 (or 17734487 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 2660171550 is about 51576.8509120128. The cubic root of 2660171550 is about 1385.5957677916.

The spelling of 2660171550 in words is "two billion, six hundred sixty million, one hundred seventy-one thousand, five hundred fifty".