5401668144 has 20 divisors (see below), whose sum is σ = 13954309496. Its totient is φ = 1800556032.

The previous prime is 5401668133. The next prime is 5401668161. The reversal of 5401668144 is 4418661045.

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, 56267329 + ... + 56267424.

Almost surely, 2^5401668144 is an apocalyptic number.

It is an amenable number.

5401668144 is an abundant number, since it is smaller than the sum of its proper divisors (8552641352).

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

5401668144 is a wasteful number, since it uses less digits than its factorization.

5401668144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112534764 (or 112534758 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 5401668144 is about 73496.0416893318. The cubic root of 5401668144 is about 1754.5912792414.

The spelling of 5401668144 in words is "five billion, four hundred one million, six hundred sixty-eight thousand, one hundred forty-four".