16625703280 has 40 divisors (see below), whose sum is σ = 39184291152. Its totient is φ = 6559179264.

The previous prime is 16625703257. The next prime is 16625703287. The reversal of 16625703280 is 8230752661.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16625703287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1417594 + ... + 1429273.

Almost surely, 2^16625703280 is an apocalyptic number.

16625703280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16625703280 is an abundant number, since it is smaller than the sum of its proper divisors (22558587872).

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

16625703280 is a wasteful number, since it uses less digits than its factorization.

16625703280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846953 (or 2846947 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 16625703280 in words is "sixteen billion, six hundred twenty-five million, seven hundred three thousand, two hundred eighty".