16458664530 has 128 divisors (see below), whose sum is σ = 51389116416. Its totient is φ = 3271276800.

The previous prime is 16458664511. The next prime is 16458664559. The reversal of 16458664530 is 3546685461.

It is a super-2 number, since 2×16458664530² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16458664530.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 101761 + ... + 208020.

It is an arithmetic number, because the mean of its divisors is an integer number (401477472).

Almost surely, 2^16458664530 is an apocalyptic number.

16458664530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16458664530 is an abundant number, since it is smaller than the sum of its proper divisors (34930451886).

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

16458664530 is a wasteful number, since it uses less digits than its factorization.

16458664530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309832.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 16458664530 in words is "sixteen billion, four hundred fifty-eight million, six hundred sixty-four thousand, five hundred thirty".