16420670888 has 16 divisors (see below), whose sum is σ = 31539703860. Its totient is φ = 8010083200.

The previous prime is 16420670873. The next prime is 16420670927. The reversal of 16420670888 is 88807602461.

It can be written as a sum of positive squares in 2 ways, for example, as 16261860484 + 158810404 = 127522^2 + 12602^2 .

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, 25031183 + ... + 25031838.

Almost surely, 2^16420670888 is an apocalyptic number.

It is an amenable number.

16420670888 is a deficient number, since it is larger than the sum of its proper divisors (15119032972).

16420670888 is a wasteful number, since it uses less digits than its factorization.

16420670888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50063068 (or 50063064 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 50.

The spelling of 16420670888 in words is "sixteen billion, four hundred twenty million, six hundred seventy thousand, eight hundred eighty-eight".