2154250116 has 18 divisors (see below), whose sum is σ = 5445465662. Its totient is φ = 718083360.

The previous prime is 2154250103. The next prime is 2154250117. The reversal of 2154250116 is 6110524512.

2154250116 is a `hidden beast` number, since 2 + 1 + 542 + 5 + 0 + 116 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1848140100 + 306110016 = 42990^2 + 17496^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 2154250116.

It is not an unprimeable number, because it can be changed into a prime (2154250117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29920105 + ... + 29920176.

Almost surely, 2^2154250116 is an apocalyptic number.

It is an amenable number.

2154250116 is an abundant number, since it is smaller than the sum of its proper divisors (3291215546).

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

2154250116 is a wasteful number, since it uses less digits than its factorization.

2154250116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59840291 (or 59840286 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 2154250116 is about 46413.9000300557. The cubic root of 2154250116 is about 1291.5127808865.

Adding to 2154250116 its reverse (6110524512), we get a palindrome (8264774628).

The spelling of 2154250116 in words is "two billion, one hundred fifty-four million, two hundred fifty thousand, one hundred sixteen".