16674972250 has 24 divisors (see below), whose sum is σ = 31219370676. Its totient is φ = 6669172200.

The previous prime is 16674972229. The next prime is 16674972263. The reversal of 16674972250 is 5227947661.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11272281241 + 5402691009 = 106171^2 + 73503^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16674972194 and 16674972203.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2037667 + ... + 2045833.

Almost surely, 2^16674972250 is an apocalyptic number.

16674972250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16674972250 is a deficient number, since it is larger than the sum of its proper divisors (14544398426).

16674972250 is an frugal number, since it uses more digits than its factorization.

16674972250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16351 (or 8174 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 16674972250 in words is "sixteen billion, six hundred seventy-four million, nine hundred seventy-two thousand, two hundred fifty".