16550664630 has 64 divisors (see below), whose sum is σ = 39916074240. Its totient is φ = 4391950976.

The previous prime is 16550664629. The next prime is 16550664661. The reversal of 16550664630 is 3646605561.

It is a super-3 number, since 3×16550664630³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10221961 + ... + 10223579.

It is an arithmetic number, because the mean of its divisors is an integer number (623688660).

Almost surely, 2^16550664630 is an apocalyptic number.

16550664630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16550664630 is an abundant number, since it is smaller than the sum of its proper divisors (23365409610).

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

16550664630 is a wasteful number, since it uses less digits than its factorization.

16550664630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 16550664630 in words is "sixteen billion, five hundred fifty million, six hundred sixty-four thousand, six hundred thirty".