2154416788 has 24 divisors (see below), whose sum is σ = 3921172640. Its totient is φ = 1034903520.

The previous prime is 2154416753. The next prime is 2154416813. The reversal of 2154416788 is 8876144512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92178 + ... + 113161.

Almost surely, 2^2154416788 is an apocalyptic number.

It is an amenable number.

2154416788 is a deficient number, since it is larger than the sum of its proper divisors (1766755852).

2154416788 is a wasteful number, since it uses less digits than its factorization.

2154416788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205447 (or 205445 counting only the distinct ones).

The product of its digits is 430080, while the sum is 46.

The square root of 2154416788 is about 46415.6954919346. The cubic root of 2154416788 is about 1291.5460876763.

The spelling of 2154416788 in words is "two billion, one hundred fifty-four million, four hundred sixteen thousand, seven hundred eighty-eight".