16662355434 has 24 divisors (see below), whose sum is σ = 36941347872. Its totient is φ = 5424952680.

The previous prime is 16662355429. The next prime is 16662355459. The reversal of 16662355434 is 43455326661.

It is a self number, because there is not a number n which added to its sum of digits gives 16662355434.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10763022 + ... + 10764569.

It is an arithmetic number, because the mean of its divisors is an integer number (1539222828).

Almost surely, 2^16662355434 is an apocalyptic number.

16662355434 is an abundant number, since it is smaller than the sum of its proper divisors (20278992438).

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

16662355434 is a wasteful number, since it uses less digits than its factorization.

16662355434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21527642 (or 21527639 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 45.

The spelling of 16662355434 in words is "sixteen billion, six hundred sixty-two million, three hundred fifty-five thousand, four hundred thirty-four".