16656709630 has 32 divisors (see below), whose sum is σ = 32997194208. Its totient is φ = 6003379200.

The previous prime is 16656709609. The next prime is 16656709631. The reversal of 16656709630 is 3690765661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16656709631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657591 + ... + 682450.

It is an arithmetic number, because the mean of its divisors is an integer number (1031162319).

Almost surely, 2^16656709630 is an apocalyptic number.

16656709630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16656709630 is a deficient number, since it is larger than the sum of its proper divisors (16340484578).

16656709630 is a wasteful number, since it uses less digits than its factorization.

16656709630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340172.

The product of its (nonzero) digits is 1224720, while the sum is 49.

The spelling of 16656709630 in words is "sixteen billion, six hundred fifty-six million, seven hundred nine thousand, six hundred thirty".