2151887060 has 24 divisors (see below), whose sum is σ = 4527247200. Its totient is φ = 859176864.

The previous prime is 2151887053. The next prime is 2151887069. The reversal of 2151887060 is 607881512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151887069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87410 + ... + 109289.

It is an arithmetic number, because the mean of its divisors is an integer number (188635300).

Almost surely, 2^2151887060 is an apocalyptic number.

2151887060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2151887060 is an abundant number, since it is smaller than the sum of its proper divisors (2375360140).

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

2151887060 is a wasteful number, since it uses less digits than its factorization.

2151887060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197255 (or 197253 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 2151887060 is about 46388.4367057136. The cubic root of 2151887060 is about 1291.0403761900.

The spelling of 2151887060 in words is "two billion, one hundred fifty-one million, eight hundred eighty-seven thousand, sixty".