16488261398 has 32 divisors (see below), whose sum is σ = 28414848000. Its totient is φ = 7029185184.

The previous prime is 16488261347. The next prime is 16488261457. The reversal of 16488261398 is 89316288461.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2141111 + ... + 2148797.

It is an arithmetic number, because the mean of its divisors is an integer number (887964000).

Almost surely, 2^16488261398 is an apocalyptic number.

16488261398 is a deficient number, since it is larger than the sum of its proper divisors (11926586602).

16488261398 is a wasteful number, since it uses less digits than its factorization.

16488261398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8484.

The product of its digits is 3981312, while the sum is 56.

The spelling of 16488261398 in words is "sixteen billion, four hundred eighty-eight million, two hundred sixty-one thousand, three hundred ninety-eight".