16629099560 has 16 divisors (see below), whose sum is σ = 37415474100. Its totient is φ = 6651639808.

The previous prime is 16629099547. The next prime is 16629099601. The reversal of 16629099560 is 6599092661.

It can be written as a sum of positive squares in 2 ways, for example, as 14680230244 + 1948869316 = 121162^2 + 44146^2 .

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, 207863705 + ... + 207863784.

Almost surely, 2^16629099560 is an apocalyptic number.

16629099560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16629099560 is an abundant number, since it is smaller than the sum of its proper divisors (20786374540).

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

16629099560 is a wasteful number, since it uses less digits than its factorization.

16629099560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415727500 (or 415727496 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 53.

The spelling of 16629099560 in words is "sixteen billion, six hundred twenty-nine million, ninety-nine thousand, five hundred sixty".