16700553850 has 24 divisors (see below), whose sum is σ = 31139017020. Its totient is φ = 6663880320.

The previous prime is 16700553841. The next prime is 16700553853. The reversal of 16700553850 is 5835500761.

It can be written as a sum of positive squares in 6 ways, for example, as 12367886521 + 4332667329 = 111211^2 + 65823^2 .

It is not an unprimeable number, because it can be changed into a prime (16700553853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 387877 + ... + 428776.

Almost surely, 2^16700553850 is an apocalyptic number.

16700553850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16700553850 is a deficient number, since it is larger than the sum of its proper divisors (14438463170).

16700553850 is a wasteful number, since it uses less digits than its factorization.

16700553850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817074 (or 817069 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 16700553850 in words is "sixteen billion, seven hundred million, five hundred fifty-three thousand, eight hundred fifty".