2168872554 has 8 divisors (see below), whose sum is σ = 4337745120. Its totient is φ = 722957516.

The previous prime is 2168872547. The next prime is 2168872577. The reversal of 2168872554 is 4552788612.

It is a sphenic number, since it is the product of 3 distinct primes.

2168872554 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180739374 + ... + 180739385.

It is an arithmetic number, because the mean of its divisors is an integer number (542218140).

Almost surely, 2^2168872554 is an apocalyptic number.

2168872554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2168872554 is a wasteful number, since it uses less digits than its factorization.

2168872554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361478764.

The product of its digits is 1075200, while the sum is 48.

The square root of 2168872554 is about 46571.1558155904. The cubic root of 2168872554 is about 1294.4283348121.

The spelling of 2168872554 in words is "two billion, one hundred sixty-eight million, eight hundred seventy-two thousand, five hundred fifty-four".