2151168510 has 32 divisors (see below), whose sum is σ = 5175708192. Its totient is φ = 572211200.

The previous prime is 2151168473. The next prime is 2151168533. The reversal of 2151168510 is 158611512.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77379 + ... + 101438.

It is an arithmetic number, because the mean of its divisors is an integer number (161740881).

Almost surely, 2^2151168510 is an apocalyptic number.

2151168510 is an abundant number, since it is smaller than the sum of its proper divisors (3024539682).

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

2151168510 is a wasteful number, since it uses less digits than its factorization.

2151168510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179228.

The product of its (nonzero) digits is 2400, while the sum is 30.

The square root of 2151168510 is about 46380.6911332723. The cubic root of 2151168510 is about 1290.8966604169.

The spelling of 2151168510 in words is "two billion, one hundred fifty-one million, one hundred sixty-eight thousand, five hundred ten".